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Journal articles on the topic 'Bradoriidae'

Author: Grafiati

Published: 4 June 2021

Last updated: 28 July 2025

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1

Xian-guang, Hou, David J. Siveter, Mark Williams, and Feng Xiang-hong. "A monograph of the Bradoriid arthropods from the Lower Cambrian of SW China." Transactions of the Royal Society of Edinburgh: Earth Sciences 92, no. 3 (2001): 347–409. http://dx.doi.org/10.1017/s0263593300000286.

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ABSTRACTThis paper evaluates the taxonomy, biostratigraphy, and palaeogeographical significance of the Cambrian bradoriid arthropods of China, the majority of which occur in the lower Cambrian of SW China. Of bradoriid faunas world-wide, Chinese occurrences yield the greatest number of specimens and a comparatively high diversity at all taxonomic levels. Nevertheless, taxonomic diversity is much less than previously supposed. Some 80 bradoriid genera and nearly 300 species have been proposed on the basis of Chinese material. By contrast, in our study, which encompasses all of the important Chi

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2

McMenamin, Mark A. S. "Bradoriids (Arthropoda) and the Cambrian Diversification." Geosciences 10, no. 4 (2020): 119. http://dx.doi.org/10.3390/geosciences10040119.

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Bradoriids, among the earliest arthropods to appear in the fossil record, are extinct, ostracod-like bivalved forms that ranged from the early Cambrian to the Middle Ordovician. Bradoriids are notable for having appeared in the Cambrian fossil record before the earliest trilobites, and considering their rapid ascent to high genus-level diversity, provide key data for our understanding of the evolutionary dynamics of the Cambrian Explosion. This paper presents a broad review of bradoriid paleobiology. It is hypothesized here that an allele of Antennapedia determines whether bradoriid shields ar

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3

Topper, Timothy P., Christian B. Skovsted, David A. T. Harper, and Per Ahlberg. "A bradoriid and brachiopod dominated shelly fauna from the Furongian (Cambrian) of Västergötland, Sweden." Journal of Paleontology 87, no. 1 (2013): 69–83. http://dx.doi.org/10.1666/12-047r.1.

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A small assemblage of shelly fossils, dominated by the brachiopod Treptotreta jucunda and the bradoriid arthropod Mongolitubulus aspermachaera new species is described from a Furongian limestone of Västergötland, south-central Sweden. Mongolitubulus aspermachaera is represented in the assemblage by individual valves and numerous, ornamented spines. Valves and spines share identical ornament and microstructure leaving no doubt that the isolated spines were once attached to the bradoriid valves. Mongolitubulus aspermachaera adds to the increasing list of spinose Cambrian bradoriid arthropods, an

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4

WILLIAMS, MARK, THIJS R. A. VANDENBROUCKE, VINCENT PERRIER, DAVID J. SIVETER, and THOMAS SERVAIS. "A link in the chain of the Cambrian zooplankton: bradoriid arthropods invade the water column." Geological Magazine 152, no. 5 (2015): 923–34. http://dx.doi.org/10.1017/s0016756815000059.

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AbstractBradoriids are small bivalved arthropods that had global distribution for about 20 million years beginning at Cambrian Epoch 2 (c. 521 Ma). The majority of bradoriids are considered to be benthic, favouring oxygenated waters, as suggested by their anatomy, lithofacies distribution, faunal associates and provinciality. Most bradoriids were extinct by the end of the Drumian Age (middle of Cambrian Epoch 3). The post-Drumian is characterized by widespread dysoxic shelf lithofacies in southern Britain and Scandinavia and by the abundance of phosphatocopid arthropods. This interval is also

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5

Salas, María José, Jean Vannier, and Mark Williams. "Early Ordovician ostracods from Argentina: their bearing on the origin of binodicope and palaeocope clades." Journal of Paleontology 81, no. 6 (2007): 1384–95. http://dx.doi.org/10.1666/05-134.1.

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New species of ostracods are described from the Tremadoc of the Cordillera Oriental (Argentina). These are among the earliest well-documented records of Ostracoda sensu stricto. The ostracod assemblages are sourced from shallow marine clastics and are dominated by palaeocopes (Eopilla waisfeldaen. sp.,Nanopsis coquenan. sp.), and the binodicopeKimsella luciaen. gen. and sp.EopillaandKimsellashow affinities with species from paleocontinental Gondwana (e.g., Ibero-Armorica, Turkey, Australia, Carnic Alps), butNanopsisis previously known only from paleocontinental Baltica. This study confirms tha

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6

VANNIER, JEAN, MARK WILLIAMS, J. JAVIER ALVARO, DANIEL VIZCAÏNO, SYLVIE MONCERET, and ERIC MONCERET. "New Early Cambrian bivalved arthropods from southern France." Geological Magazine 142, no. 6 (2005): 751–63. http://dx.doi.org/10.1017/s0016756805001093.

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The Lower Cambrian Pardailhan Formation of the Montagne Noire (Southern France) has yielded a diverse fossil assemblage including bivalved arthropods (the bradoriids Monceretia erisylvia gen. et sp. nov., Cambria danvizcainia sp. nov. and Matthoria? sp., together with Isoxys sp.) associated with trilobites, hyolithids, inarticulate brachiopods, sponge spicules, ichnofossils and chancelloriid sclerites. This assemblage provides new evidence about the biodiversity of Early Cambrian marine communities in palaeocontinental Gondwana. The bradoriids are Cambriidae, a family with widespread distribut

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7

Rode, Alycia L., Bruce S. Lieberman, and A. J. Rowell. "A new early Cambrian bradoriid (Arthropoda) from East Antarctica." Journal of Paleontology 77, no. 4 (2003): 691–97. http://dx.doi.org/10.1017/s0022336000044425.

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Although bradoriids locally are common components of the Cambrian biota, they have been reported previously from Antarctica only from Tertiary glacial deposits. Here, we describe the bradoriid,Bicarinella evansinew genus and species, collected in situ from the upper Lower Cambrian (Botomian) of the Pensacola Mountains in East Antarctica.Bicarinella evansin. gen and sp. is characterized by a subtriangular carapace with a well-defined marginal rim, subequal anterior and posterior lobes that are elongated into sharp ridges extending one-third the length of the carapace, and a broad dorsal node pl

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8

Degan, Shu, and Chen Ling. "Cambrian palaeobiogeography of Bradoriida." Journal of Southeast Asian Earth Sciences 9, no. 3 (1994): 289–99. http://dx.doi.org/10.1016/0743-9547(94)90036-1.

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9

Siveter, David J., Mark Williams, John S. Peel, and Derek J. Siveter. "Bradoriida (Arthropoda) from the early Cambrian of North Greenland." Transactions of the Royal Society of Edinburgh: Earth Sciences 86, no. 2 (1995): 113–21. http://dx.doi.org/10.1017/s0263593300006374.

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ABSTRACTMarine shelf siliciclastics of the early Cambrian Buen Formation of North Greenland have yielded the earliest abundant, well localised Bradoriida (Arthropoda) from the Laurentian part of North America: the shelf-dwellingPetriannagen. nov.Petriannaapparently has a fairly rigid, phosphatic shell. Its assignment to the Cambriidae, a family markedly dissimilar morphologically from the phosphatocopines (the only Bradoriida hitherto regarded as having a primary phosphatic shell), implies rejection of the criterion of carapace composition in the ordinal/subordinal classification of Bradoriida

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10

Streng, Michael, and Gerd Geyer. "Middle Cambrian Bradoriida (Arthropoda) from the Franconian Forest, Germany, with a review of the bradoriids described from West Gondwana and a revision of material from Baltica." PalZ 93, no. 4 (2019): 567–91. http://dx.doi.org/10.1007/s12542-019-00448-z.

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11

Burckhardt, Daniel, Liliya Š. Serbina, and Igor Malenovský. "Lilaoshia, replacement name for Liella Burckhardt, Serbina and Malenovský, 2023 (Insecta, Hemiptera, Liviidae) nec Cui and Huo, in Huo and Shu, 1985 (Crustacea, Bradoriida, Alutidae)." Zootaxa 5497, no. 2 (2024): 299–300. https://doi.org/10.11646/zootaxa.5497.2.10.

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Burckhardt, Daniel, Serbina, Liliya Š., Malenovský, Igor (2024): Lilaoshia, replacement name for Liella Burckhardt, Serbina and Malenovský, 2023 (Insecta, Hemiptera, Liviidae) nec Cui and Huo, in Huo and Shu, 1985 (Crustacea, Bradoriida, Alutidae). Zootaxa 5497 (2): 299-300, DOI: 10.11646/zootaxa.5497.2.10, URL: http://dx.doi.org/10.11646/zootaxa.5497.2.10

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12

Melnikova, Ludmila M., David J. Siveter, and Mark Williams. "Cambrian Bradoriida and Phosphatocopida (Arthropoda) of the former Soviet Union." Journal of Micropalaeontology 16, no. 2 (1997): 179–91. http://dx.doi.org/10.1144/jm.16.2.179.

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Abstract. Some 40 bradoriid and phosphatocopid (Arthropoda) species are known from the Cambrian of the former Soviet Union. The faunas occur chiefly in Asia (mostly Siberia and Kazakhstan; also Kirghizia); west of the Urals bradoriid and phosphatocopid faunas are sparse, occurring in the Leningrad region, Belarus and Estonia. Most specimens are recovered as crack-out material from clastic and impure carbonate rocks; acid resistant valves from limestones are a minor component of the known faunas.Early Cambrian (Atdabanian-Botomian) faunas are widespread; middle and late Cambrian faunas are scar

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13

Cox, Alicia, and Stephen Pates. "Geographic, taxonomic, and temporal interrogation of bradoriid diversity and carapace disparity." Palaeontologia Electronica 27, no. 3 (2024): 1–22. https://doi.org/10.26879/1424.

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Cox, Alicia, Pates, Stephen (2024): Geographic, taxonomic, and temporal interrogation of bradoriid diversity and carapace disparity. Palaeontologia Electronica (a56) 27 (3): 1-22, DOI: 10.26879/1424, URL: https://doi.org/10.26879/1424

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14

Álvarez, María Eugenia Dies, Rodolfo Gozalo, Peter Cederström, and Per Ahlberg. "Bradoriid arthropods from the lower-middle Cambrian of Scania, Sweden." Acta Palaeontologica Polonica 53, no. 4 (2008): 647–56. https://doi.org/10.4202/app.2008.0409.

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Álvarez, María Eugenia Dies, Gozalo, Rodolfo, Cederström, Peter, Ahlberg, Per (2008): Bradoriid arthropods from the lower-middle Cambrian of Scania, Sweden. Acta Palaeontologica Polonica 53 (4): 647-656, DOI: 10.4202/app.2008.0409

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15

Zhang, Xi-Guang. "Phosphatized Bradoriids (Arthropoda) from the Cambrian of China." Palaeontographica Abteilung A 281, no. 4-6 (2007): 93–173. http://dx.doi.org/10.1127/pala/281/2007/93.

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16

Shicheng, Huo, Cui Zhilin, Wang Xinlu, and Zhang Yinzhou. "The geological succession and geographical distribution of Cambrian Bradoriida from China." Journal of Southeast Asian Earth Sciences 3, no. 1-4 (1989): 107–18. http://dx.doi.org/10.1016/0743-9547(89)90014-7.

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17

Williams, Mark, David J. Siveter, A. W. A. Rushton, and A. T. Thomas. "British Cambrian and Tremadoc Bradoriid and Phosphatocopid Arthropods." Monographs of the Palaeontographical Society 152, no. 607 (1998): 1–61. http://dx.doi.org/10.1080/25761900.1998.12288893.

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18

RODE, ALYCIA L., BRUCE S. LIEBERMAN, and A. J. ROWELL. "A NEW EARLY CAMBRIAN BRADORIID (ARTHROPODA) FROM EAST ANTARCTICA." Journal of Paleontology 77, no. 4 (2003): 691–97. http://dx.doi.org/10.1666/0022-3360(2003)077<0691:anecba>2.0.co;2.

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19

Stigall, Alycia L. "Bicarinellata a new name for Bicarinella Rode, Lieberman, and Rowell, 2003 (Arthopoda, Bradoriida) preoccupied by Bicarinella Waterhouse, 1966 (Mollusca, Gastropoda) and Bicarinella Akopyan, 1976 (Mollusca, Gastropoda)." Journal of Paleontology 82, no. 6 (2008): 1220. http://dx.doi.org/10.1017/s002233600005544x.

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The genus Bicarinella Rode et al., 2003 was erected for a new hipponicharionid bradoriid species described from the early Cambrian of East Antarctica, characterized by a subtriangular carapace with prominent anterior and posterior lobes developed as two distinctive, sharp ridges (bi = two, carina = ridges). Unfortunately, the name Bicarinella is preoccupied by two different gastropod genera: Bicarinella Waterhouse 1966, a Permian gastropod from New Zealand and Australia, and Bicarinella Akopyan 1976, a gastropod from Late Cretaceous strata of Armenia, Serbia, Romania, Tajikistan, and Egypt (Me

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20

Melnikova, L. M. "Adductor Scar on the Shells of the Early Cambrian Species Sinskolutella ordinata (Melnikova, 1983) (Bradoriida, Crustacea)." Paleontologičeskij žurnal, no. 1 (November 7, 2024): 79–89. http://dx.doi.org/10.31857/s0031031x24010073.

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In bradoriids Sinskolutella ordinata (Melnikova, 1983) from the unique Sinsk locality (Lower Cambrian of the Siberian Platform), a large round spot was found in the anterior half of the shell, identified as the adductor muscle scar. Additional characteristics of the pores on the valves of this species are described. Similarities in the outline, shell size, and development of a large muscle scar suggest that sinskolutellas are related to ostracods of the order Leperditicopida, known from the Ordovician and widely diversified during the Silurian and Devonian.

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21

WRONA, Ryszard. "Early Cambrian bradoriide and phosphatocopide arthropods from King George Island, West Antarctica: Biogeographic implications." Polish Polar Research 30, no. 4 (2009): 347–77. http://dx.doi.org/10.4202/ppres.2009.19.

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22

Eugenia Dies Álvarez, María, Rodolfo Gozalo, Peter Cederström, and Per Ahlberg. "Bradoriid Arthropods from the Lower-Middle Cambrian of Scania, Sweden." Acta Palaeontologica Polonica 53, no. 4 (2008): 647–56. http://dx.doi.org/10.4202/app.2008.0409.

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23

Betts, Marissa J., Glenn A. Brock, and John R. Paterson. "Butterflies of the Cambrian benthos? Shield position in bradoriid arthropods." Lethaia 49, no. 4 (2016): 478–91. http://dx.doi.org/10.1111/let.12160.

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24

Streng, Michael, Jan Ove R. Ebbestad, and Małgorzata Moczydłowska. "AWalcottella-like bradoriid (Arthropoda) from the lower Cambrian of Sweden." GFF 130, no. 1 (2008): 11–19. http://dx.doi.org/10.1080/11035890801301011.

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25

Williams, Mark, David J. Siveter, Adrian W. A. Rushton, and Vivianne Berg-Madsen. "The Upper Cambrian bradoriid ostracod Cyclotron lapworthi is a hesslandonid." Transactions of the Royal Society of Edinburgh: Earth Sciences 85, no. 2 (1994): 123–30. http://dx.doi.org/10.1017/s0263593300003527.

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AbstractCyclotron lapworthi (Groom, 1902), one of the few British Cambrian bradoriid ostracod species known from a large number of specimens, is redescribed. It has an interdorsum, thus indicating a hesslandonid affinity. The ontogeny of C. lapworthi does not demonstrate a clear distinction of its individual moult stages but does show marked changes in the development of nodes and lobes. C. lapworthi shows wide variation in carapace shape possibly indicating that its valves were thin and relatively flexible. In England and Canada C. lapworthi is restricted to the Upper Cambrian Olenus Zone. C.

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26

Peel, John S., Christian B. Skovsted, and Elise Wallet. "Morphology and ecology of the bradoriid arthropods Spinospitella and Nikolarites from the Cambrian (Series 2, Stage 4) of North Greenland (Laurentia)." PalZ 95, no. 3 (2021): 413–27. http://dx.doi.org/10.1007/s12542-021-00569-4.

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AbstractTuberculate fragments referred to Nikolarites spasskyi are compared with a complete carapace and other material of Spinospitella from Cambrian Series 2, Stage 4 in North Greenland. The descriptions expand earlier brief records from Laurentia of the two bradoriids, originally described from Siberia and Australia, respectively. The mutually exclusive occurrences of the two taxa indicate ecological control of their distribution in North Greenland. Robust fragments of Nikolarites spasskyi occur in reworked higher energy deposits of the Aftenstjernesø Formation, while thin-walled carapaces

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27

Melnikova, L. M. "Adductor Scar on the Shell of the Early Cambrian Sinskolutella ordinata (Melnikova, 1983) (Bradoriida, Crustacea)." Paleontological Journal 58, no. 1 (2024): 70–79. http://dx.doi.org/10.1134/s0031030124010039.

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28

Peel, John S., and Michael Streng. "A new middle Cambrian bradoriid arthropod from Greenland and western Canada." Journal of Paleontology 89, no. 1 (2015): 96–102. http://dx.doi.org/10.1017/jpa.2014.8.

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AbstractCircum-Laurentian middle Cambrian (Cambrian Series 3) deposits in Greenland and British Columbia yield a new hipponicharionid bradoriid arthropod,Flumenoglaciesn. gen., characterized by a comarginal, ramp-like structure which is crested by a continuous lobe. The narrow lobe is the result of the medial fusion of anterior and posterior lobes, seemingly a recurrent theme in hipponicharionid evolution. The type species,F.groenlandican. sp., is described from the Ekspedition Brae Formation (Drumian Stage) of Peary Land but the description of two unnamed species from slightly older middle Ca

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Skovsted, Christian B. "A carapace of the bradoriid arthropodMongolitubulusfrom the Early Cambrian of Greenland." GFF 127, no. 3 (2005): 217–20. http://dx.doi.org/10.1080/11035890501273217.

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30

Zhang, X. G. "Moult stages and dimorphism of Early Cambrian bradoriids from Xichuan, Henan, China." Alcheringa: An Australasian Journal of Palaeontology 11, no. 1 (1987): 1–19. http://dx.doi.org/10.1080/03115518708618976.

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31

Vidal, G., and J. S. Peel. "Acritarchs from the Buen Formation (Lower Cambrian), North Greenland." Rapport Grønlands Geologiske Undersøgelse 137 (December 31, 1988): 54. http://dx.doi.org/10.34194/rapggu.v137.8014.

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Siliciclastic sediments of the Buen Formation of North Greenland yield the earliest Cambrian fossils known from North Greenland, with the exception of cyanobacteria described from dolomites of the underlying Portfjeld Formation (see Peel, this report). The fauna is dominated by olenellid and nevadiid trilobites indicating an Early Cambrian age (Poulsen, 1974; Blaker, this report) but hyolithids, bradoriids, sponges and other fossils also occur. Bergstrom & Peel (this report) described trace fossils from the Buen Formation. Of particular interest is the recent discovery of lightly skeletise

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Collette, Joseph H., Nigel C. Hughes, and Shanchi Peng. "The first report of a Himalayan bradoriid arthropod and the paleogeographic significance of this form." Journal of Paleontology 85, no. 1 (2011): 76–82. http://dx.doi.org/10.1666/10-063.1.

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Two arthropod specimens assigned to Anabarochilina australis (Hinz-Schallreuter, 1993) from the late middle Cambrian (Guzhangian Stage, Lejopyge acantha Biozone) Karsha Formation, Zanskar Valley, northern India comprise the first record of the Bradoriida from the Himalaya. These Indian specimens cannot be distinguished statistically from other A. australis material based on valve length and height ratios, and differ only slightly in other characters. These observations justify the synonymy of a number of similar forms worldwide that previously have been only questionably attributed to A. austr

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Peel, John S. "Systematics and biogeography of some early Cambrian (Series 2) bradoriids (Arthropoda) from Laurentia (Greenland)." Canadian Journal of Earth Sciences 54, no. 9 (2017): 961–72. http://dx.doi.org/10.1139/cjes-2017-0101.

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Bradoriid arthropods are described from the Kap Troedsson and Henson Gletscher formations of North Greenland and the Bastion Formation of North-East Greenland (Cambrian Series 2, Stage 4). Hipponicharion skovstedi n. sp. and Beyrichona avannga n. sp. represent species of genera originally described from Avalonia (New Brunswick) that are characteristic of middle-latitude assemblages in the early Cambrian. They are described for the first time from low-latitude environments in the early Cambrian of Laurentia where they occur together in a middle to upper carbonate ramp succession. Navarana n. ge

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SHU, DEGAN, JEAN VANNIER, HUILIN LUO, LING CHEN, XINGLIANG ZHANG, and SHIXUE HU. "Anatomy and lifestyle of Kunmingella (Arthropoda, Bradoriida) from the Chengjiang fossil Lagerstätte (lower Cambrian; Southwest China)." Lethaia 32, no. 4 (2007): 279–98. http://dx.doi.org/10.1111/j.1502-3931.1999.tb00547.x.

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Fatka, Oldřich, Mark Williams, and Petr Budil. "Bradoriid arthropods from the Cambrian of the Příbram-Jince Basin, Czech Republic." Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 273, no. 2 (2014): 147–54. http://dx.doi.org/10.1127/0077-7749/2014/0420.

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Bruton, David L., and David A. T. Harper. "A mid-Cambrian shelly fauna from Ritland, western Norway and its palaeogeographical implications." Bulletin of the Geological Society of Denmark 47 (December 31, 2000): 29–51. http://dx.doi.org/10.37570/bgsd-2000-47-02.

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A new mid-Cambrian shelly fauna from Ritland, western Norway, significantly extends the known development of the Andrarum limestone facies to the edge of the Baltic craton. The assemblage includes the trilobitesAxagnostus fallax (Linnarsson), Solenopleura bucculenta Grönwall, Anomocare cf. laeve (Angelin) and abundant, etched specimens of the linguliformean brachiopod Treptotreta? socialis (von Seebach) together withDictyonina ornatella (Linnarsson); the fauna indicates the presence of the Jincella brachymetopa Zone and also includes hyoliths, bradoriid crustaceans and sponge spicules. Elsewhe

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Williams, Mark, David J. Siveter, Leonid E. Popov, and Jean M. C. Vannier. "Biogeography and affinities of the bradoriid arthropods: Cosmopolitan microbenthos of the Cambrian seas." Palaeogeography, Palaeoclimatology, Palaeoecology 248, no. 1-2 (2007): 202–32. http://dx.doi.org/10.1016/j.palaeo.2006.12.004.

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Liu, Yu, Xing-Liang Zhang, Wei Liu, and Qian Zhang. "New bradoriids from the Lower Cambrian Yanwangbian formation of southern Shaanxi Province, Central China." Palaeoworld 17, no. 2 (2008): 102–7. http://dx.doi.org/10.1016/j.palwor.2008.02.003.

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Pour, Mansoureh Ghobadi, Mark Williams, and Leonid E. Popov. "A new Middle Ordovician arthropod fauna (Trilobita, Ostracoda, Bradoriida) from the Lashkarak Formation, Eastern Alborz Mountains, northern Iran." GFF 129, no. 3 (2007): 245–54. http://dx.doi.org/10.1080/11035890701293245.

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Williams, Mark, David J. Siveter, and John S. Peel. "Isoxys (Arthropoda) from the Early Cambrian Sirius Passet Lagerstätte, North Greenland." Journal of Paleontology 70, no. 6 (1996): 947–54. http://dx.doi.org/10.1017/s0022336000038646.

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The marine offshore shelf mudstones of the Early Cambrian Buen Formation at Sirius Passet, North Greenland, contain a rich Konservat-Lagerstätte which includes abundant well-preserved material of the bivalved arthropod Isoxys volucris new species. The new material confirms Isoxys Walcott, 1890 as a component of the earliest arthropod faunas worldwide. Isoxys species are known from the Early Cambrian of Spain, Siberia, South Australia and Southwest China and also from the Early to Middle Cambrian of Laurentian North America. Isoxys occurs in the Redlichiid, Bigotinid and Olenellid trilobite fau

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PENG, Jin, Hongzhen FENG, Xiaoping FU, Yuanlong ZHAO, and Lu YAO. "New Bradoriid Arthropods from the Early Cambrian Balang Formation of Eastern Guizhou, South China." Acta Geologica Sinica - English Edition 84, no. 1 (2010): 56–68. http://dx.doi.org/10.1111/j.1755-6724.2010.00170.x.

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Betts, Marissa J., Timothy P. Topper, James L. Valentine, Christian B. Skovsted, John R. Paterson, and Glenn A. Brock. "A new early Cambrian bradoriid (Arthropoda) assemblage from the northern Flinders Ranges, South Australia." Gondwana Research 25, no. 1 (2014): 420–37. http://dx.doi.org/10.1016/j.gr.2013.05.007.

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Hou, Xianguang, Mark Williams, David J. Siveter, Derek J. Siveter, Richard J. Aldridge, and Robert S. Sansom. "Soft-part anatomy of the Early Cambrian bivalved arthropods Kunyangella and Kunmingella : significance for the phylogenetic relationships of Bradoriida." Proceedings of the Royal Society B: Biological Sciences 277, no. 1689 (2010): 1835–41. http://dx.doi.org/10.1098/rspb.2009.2194.

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Gozalo, Rodolfo, Ma Eugenia Dies, and Juan B. Chirivella. "New occurrence of the family Hipponicharionidae (Bradoriida, Arthropoda), in the lower and middle Cambrian of the Cadenas Ibéricas, Spain." Geobios 37, no. 2 (2004): 191–97. http://dx.doi.org/10.1016/j.geobios.2003.04.001.

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AXHEIMER, NIKLAS, MATS E. ERIKSSON, PER AHLBERG, and ANDERS BENGTSSON. "The middle Cambrian cosmopolitan key species Lejopyge laevigata and its biozone: new data from Sweden." Geological Magazine 143, no. 4 (2006): 447–55. http://dx.doi.org/10.1017/s0016756806002007.

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The middle Cambrian Lejopyge laevigata Zone is poorly exposed in Scandinavia. Both this zone, however, and the succeeding Agnostus pisiformis Zone are well exposed at a classic locality at Gudhem, Västergötland, south-central Sweden. The sequences consist of finely laminated alum shale with scattered stinkstone (orsten) lenses. Three measured and sampled sections yielded a diverse fossil fauna, dominated by trilobites, in particular agnostoids, and the bradoriid Anabarochilina primordialis. Fossils are excellently preserved but restricted to the stinkstones. The L. laevigata Zone at Gudhem inc

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Duan, Yanhong, Jian Han, Dongjing Fu, et al. "Reproductive strategy of the bradoriid arthropod Kunmingella douvillei from the Lower Cambrian Chengjiang Lagerstätte, South China." Gondwana Research 25, no. 3 (2014): 983–90. http://dx.doi.org/10.1016/j.gr.2013.03.011.

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Luo, Mei, Fan Liu, Yue Liang, et al. "First Report of Small Skeletal Fossils from the Upper Guojiaba Formation (Series 2, Cambrian), Southern Shaanxi, South China." Biology 12, no. 7 (2023): 902. http://dx.doi.org/10.3390/biology12070902.

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A small skeletal fossil assemblage is described for the first time from the bioclastic limestone interbeds of the siltstone-dominated Guojiaba Formation, southern Shaanxi, China. The carbonate-hosted fossils include brachiopods (Eohadrotreta zhujiahensis, Eohadrotreta zhenbaensis, Spinobolus sp., Kuangshanotreta malungensis, Kyrshabaktella sp., Lingulellotreta yuanshanensis, Eoobolus incipiens, and Eoobolus sp.), sphenothallids (Sphenothallus sp.), archaeocyaths (Robustocyathus sp. and Yukonocyathus sp.), bradoriids (Kunmingella douvillei), chancelloriids sclerites (Onychia sp., Allonnia sp.,

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Peel, John S. "A phosphatised fossil Lagerstätte from the middle Cambrian (Wuliuan Stage) of North Greenland (Laurentia)." Bulletin of the Geological Society of Denmark 72 (June 7, 2023): 101–22. http://dx.doi.org/10.37570/bgsd-2023-72-03.

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The upper Henson Gletscher Formation (Cambrian, Miaolingian Series, Wuliuan Stage) of southern Lauge Koch Land and Løndal, south-western Peary Land, North Greenland (Laurentia) yields diverse assemblages of phosphatised Small Shelly Fossils after treatment with weak acetic acid. The occurrence merits description as a fossil Lagerstätte on account of the exceptional preservation of soft parts in some specimens, although the phosphatisation itself is generally rather coarse. Bradoriid and phosphatocopid arthropods are common and display substantial variation in their preservational history. Some

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Fletcher, Terence P., and Adrian W. A. Rushton. "The Cambrian Fauna of the Leny Limestone, Perthshire, Scotland." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 98, no. 02 (2007): 199–218. http://dx.doi.org/10.1017/s1755691007006123.

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ABSTRACTDark limestones in the old quarries at Leny, Perthshire contain sparse beds with tiny fossils. They are poorly preserved and, though barely affected by the Ordovician Grampian Event tectonism, there is some taphonomic distortion and many are corroded along stylolitised horizons. The fauna mainly comprises trilobites of two types, open-ocean miomerids and polymerid shelf dwellers. MiomeridsCondylopygecf.eliandKiskinella cristataindicate a stratigraphical position equivalent to the base of the paradoxidid Amgan Stage of Siberia; traditionally regarded as ‘Middle Cambrian’. However, the b

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BURCKHARDT, DANIEL, LILIYA Š. SERBINA, and IGOR MALENOVSKÝ. "Lilaoshia, replacement name for Liella Burckhardt, Serbina and Malenovský, 2023 (Insecta, Hemiptera, Liviidae) nec Cui and Huo, in Huo and Shu, 1985 (Crustacea, Bradoriida, Alutidae)." Zootaxa 5497, no. 2 (2024): 299–300. http://dx.doi.org/10.11646/zootaxa.5497.2.10.

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