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Journal articles on the topic 'Trioceros'

Author: Grafiati

Published: 4 June 2025

Last updated: 23 June 2025

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1

Koppetsch, Thore, Petr Nečas, and Benjamin Wipfler. "A new chameleon of the Trioceros affinis species complex (Squamata, Chamaeleonidae) from Ethiopia." Zoosystematics and Evolution 97, no. 1 (2021): 161–79. http://dx.doi.org/10.3897/zse.97.57297.

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A new species of chameleon, Trioceros wolfgangboehmeisp. nov., inhabiting the northern slopes of the Bale Mountains in Ethiopia, is described. It differs from its Ethiopian congeners by a combination of the following features: presence of a prominent dorsal crest with a low number of enlarged conical scales reaching along the anterior half of the tail as a prominent tail crest, a casque raised above the dorsal crest, heterogeneous body scalation, long canthus parietalis, rugose head scalation, high number of flank scales at midbody and unique hemipenial morphology. Based on morphological characteristics, phylogenetic discordances of previous studies and biogeographical patterns, this new species is assigned to the Trioceros affinis (Rüppell, 1845) species complex. An updated comprehensive key to the Trioceros found in Ethiopia is provided.

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2

Koppetsch, Thore, Petr Nečas, and Benjamin Wipfler. "A new chameleon of the Trioceros affinis species complex (Squamata, Chamaeleonidae) from Ethiopia." Zoosystematics and Evolution 97, no. (1) (2021): 161–79. https://doi.org/10.3897/zse.97.57297.

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A new species of chameleon, Trioceros wolfgangboehmei sp. nov., inhabiting the northern slopes of the Bale Mountains in Ethiopia, is described. It differs from its Ethiopian congeners by a combination of the following features: presence of a prominent dorsal crest with a low number of enlarged conical scales reaching along the anterior half of the tail as a prominent tail crest, a casque raised above the dorsal crest, heterogeneous body scalation, long canthus parietalis, rugose head scalation, high number of flank scales at midbody and unique hemipenial morphology. Based on morphological characteristics, phylogenetic discordances of previous studies and biogeographical patterns, this new species is assigned to the Trioceros affinis (Rüppell, 1845) species complex. An updated comprehensive key to the Trioceros found in Ethiopia is provided.

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3

Hughes, Daniel F., Daniel G. Blackburn, Lukwago Wilber, and Mathias Behangana. "New distribution records, observations on natural history, and notes on reproduction of the poorly known Sudanese Unicorn Chameleon (Chamaeleonidae: Trioceros conirostratus) from Uganda, Africa." Amphibian & Reptile Conservation 12, no. 2 (2018): 83–89. https://doi.org/10.5281/zenodo.13227550.

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Hughes, Daniel F., Blackburn, Daniel G., Wilber, Lukwago, Behangana, Mathias (2018): New distribution records, observations on natural history, and notes on reproduction of the poorly known Sudanese Unicorn Chameleon (Chamaeleonidae: Trioceros conirostratus) from Uganda, Africa. Amphibian & Reptile Conservation (e160) 12 (2): 83-89, DOI: 10.5281/zenodo.13227550

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4

Klaver, Charles. "Notes on the typification of several chameleon taxa (Sauria: Chamaeleonidae)." Amphibia-Reptilia 41, no. 1 (2020): 113–17. http://dx.doi.org/10.1163/15685381-20191230.

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Abstract The obscure or dubious designation of the name-bearing type(s) and hence the type locality of three valid chameleon taxa, viz. Brookesia superciliaris, Calumma fallax and Trioceros schubotzi, is researched and clarified. It concerns type-material of the natural history museums of Berlin, London and Paris. In the appendix additional information as to the presence of name-bearing types in various museum collections is presented to amend the checklist of Glaw (2015).

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5

TILBURY, COLIN R., and KRYSTAL A. TOLLEY. "A re-appraisal of the systematics of the African genus Chamaeleo (Reptilia: Chamaeleonidae)." Zootaxa 2079, no. 1 (2009): 57–68. http://dx.doi.org/10.11646/zootaxa.2079.1.2.

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The genus Chamaeleo, currently subdivided into two sub-genera, Chamaeleo (Chamaeleo) and Chamaeleo (Trioceros) (Klaver & Böhme 1986), is reviewed from both a morphological and genetic basis and it is concluded that the two subgenera are sufficiently distinct as to warrant their formal elevation to seperate and distinct genera. Evaluation of the soft anatomy and several other characters provide sufficient basis for making this distinction. The proposed change is supported by the demonstration of monophyletic groupings (based on two mitochondrial and one nuclear gene) consistent with distinct genera.

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6

Van Kleeck, Melissa, and Brenden S. Holland. "Chemical control of the invasive Jackson's chameleon (Trioceros jacksonii xantholophus) in Hawaii." International Journal of Pest Management 64, no. 3 (2017): 236–42. http://dx.doi.org/10.1080/09670874.2017.1386334.

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7

STIPALA, JAN, NICOLA LUTZMÁNN, PATRICK K. MALONZA, et al. "A new species of chameleon (Sauria: Chamaeleonidae) from the highlands of northwest Kenya JAN STIPALA (UK), NICOLA LUTZMÁNN (Germany), PATRICK K. MALONZA (Kenya), LUCA BORGH-ESIO (USA), PAUL WILKINSON (UK), BRENDAN GODLEY (UK), MATTHEW R. EVANS (UK)." Zootaxa 3002, no. 1 (2011): 1. http://dx.doi.org/10.11646/zootaxa.3002.1.1.

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A new species of chameleon, Trioceros nyirit sp. nov., is described from the northwest highlands of Kenya. It is morphologically similar to T. hoehnelii and T. narraioca, possessing a short rostral appendage, but differs from them by having a straight or weakly curved parietal crest and forward-pointing rostral projection. A phylogeny based on mitochondrial DNA shows that the proposed new taxon is a distinct clade within the bitaeniatus-group and a sister lineage to T. schubotzi. Its distribution appears to be restricted to the Cherangani Hills and adjacent Mtelo massif to the north. It is associated with afromontane forest edge, afroalpine ericaceous vegetation and also occurs in agricultural landscapes.

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8

Lovein, Mary. "Confession of Eternal Love for Chameleons." Archaius 2, no. 1 (2025): 5. https://doi.org/10.5281/zenodo.14904399.

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9

Ceccarelli, F. Sara, Michele Menegon, Krystal A. Tolley, et al. "Evolutionary relationships, species delimitation and biogeography of Eastern Afromontane horned chameleons (Chamaeleonidae: Trioceros)." Molecular Phylogenetics and Evolution 80 (November 2014): 125–36. http://dx.doi.org/10.1016/j.ympev.2014.07.023.

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10

Peiffer, Lauren B., Samantha Sander, Kathleen Gabrielson, et al. "FATAL RANAVIRUS INFECTION IN A GROUP OF ZOO-HOUSED MELLER'S CHAMELEONS (TRIOCEROS MELLERI)." Journal of Zoo and Wildlife Medicine 50, no. 3 (2019): 696. http://dx.doi.org/10.1638/2018-0044.

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11

STIPALA, JAN, NICOLA LUTZMANN, PATRICK K. MALONZA, et al. "A new species of chameleon (Squamata: Chamaeleonidae) from the Aberdare Mountains in the central highlands of Kenya." Zootaxa 3391, no. 1 (2012): 1. http://dx.doi.org/10.11646/zootaxa.3391.1.1.

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We describe a new species of chameleon, Trioceros kinangopensis sp. nov., from Kinangop Peak in the Aberdare moun-tains, central highlands of Kenya. The proposed new species is morphologically and genetically distinct from other mem-ber of the bitaeniatus-group. It is morphologically most similar to T. schubotzi but differs in the lack of sexual sizedimorphism, smaller-sized females, smoother, less angular canthus rostrales, smaller scales on the temporal region and abright orange gular crest in males. Mitochondrial DNA indicates that the proposed new taxon is a distinct lineage that isclosely related to T. nyirit and T. schubotzi. The distribution of T. kinangopensis sp. nov. appears to be restricted to the afroalpine zone in vicintiy of Kinangop Peak and fires may pose a serious threat to the long-term survival of this species.

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12

McAllister, Chris T. "A New Species of Choleoeimeria (Apicomplexa: Eimeriidae) from Meller's Chameleon, Trioceros melleri (Sauria: Chamaeleonidae)." Journal of Parasitology 98, no. 5 (2012): 1001–2. http://dx.doi.org/10.1645/ge-2984.1.

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13

Necas, Petr, Sergii Prokopiev, Craig Durbin, Jurgen van Overbeke, and Christopher Roth. "Quadruplets, Triplets and Twins in Chameleons (Sauria: Chamaeleonidae)." Archaius 1, no. 3 (2020): 18–23. https://doi.org/10.5281/zenodo.4084993.

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14

Necas, P., D. Modry, and J. R. [Sbreve]lapeta. "Chamaeleo (Trioceros) narraiocan. sp. (Reptilia Chamaeleonidae), a new chameleon species from a relict montane forest of Mount Kulal, northern Kenya." Tropical Zoology 16, no. 1 (2003): 1–12. http://dx.doi.org/10.1080/03946975.2003.10531180.

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15

Isaac, Maxim Conrad, Neil D. Burgess, Oliver J. S. Tallowin, Alyson T. Pavitt, Reuben M. J. Kadigi, and Claire Ract. "Status and trends in the international wildlife trade in Chameleons with a focus on Tanzania." PLOS ONE 19, no. 5 (2024): e0300371. http://dx.doi.org/10.1371/journal.pone.0300371.

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Chameleons (family Chamaeleonidae) are a distinctive group of reptiles, mainly found in Africa, which have high local endemism and face significant threats from the international wildlife trade. We review the scale and structure of international chameleon trade, with a focus on collection in and exports from Tanzania; a hotspot of chameleon diversity. Analysis used data from the CITES Trade Database 2000–2019, combined with assessment of online trade, and on-the-ground surveys in Tanzania in 2019. Between 2000 and 2019, 1,128,776 live chameleons from 108 species were reported as exported globally, with 193,093 of these (from 32 species) exported by Tanzania. Both global and Tanzanian chameleon exports declined across the study period, driven by decreased trade in generalist genera. Whilst the proportion of captive-bred individuals increased across time for the generalist taxa, the majority of range-restricted taxa in trade remained largely wild-sourced. For Tanzanian exports, 41% of chameleons were from one of the 23 endemic species, and 10 of the 12 Tanzanian endemic species in trade are categorised as threatened with extinction by IUCN. In terms of online trade, of the 42 Tanzanian species assessed, there was evidence of online sale for 83.3% species, and 69% were actively for sale with prices listed. Prices were on average highest for Trioceros species, followed by Kinyongia, Rieppeleon, Rhampholeon, and Chameleo. Field work in Tanzania provided evidence that the historic harvest of endemic chameleon species has been higher than the quantities of these species reported as exported by Tanzania in their annual trade reports to CITES. However, we found no field evidence for trade in 2020 and 2021, in line with Tanzanian regulations that applied a blanket ban on all exports of live wild animals. Literature evidence, however, suggests that illegal trade continued to Europe from seizures of Tanzanian chameleon species in Austria in 2021.

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16

Necas, Petr. "Nečas, P. (2020) Tongue Punching, an unknown secondary antipredatory function of the tongue-shooting in chameleons (Reptilia: Chamaeleonidae). – Archaius 1 (1): 1 – 3." Archaius 1, no. 1 (2020): 1–3. https://doi.org/10.5281/zenodo.3751165.

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17

Sagapova, Nikola, and Radim Dusek. "CITES-listed Wildlife Trade of the Czech Republic." Littera Scripta 13, no. 2 (2021): 2–8. http://dx.doi.org/10.36708/littera_scripta2020/2/1.

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Wildlife trade involves many animal and plant species and their products. CITES (Convention on International Trafe in Endangered Species of Wild Fauna and Flora) aims on protecting endangered plants and animals from being overharvested for the purposes of international trade through system of regulations, permits and monitoring. CITES Trade Database is a tool dedicated for the evidence of international trade of endangered wildlife species. We used records from the CITES Trade Database to conduct the analysis of the legal wildlife trade in the Czech Republic in the period 2008-2018. A total amount of 12,615 shipment records were extracted from CITES Trade Database. Amongst most imported taxons belong mammals (mostly genuses Ursus and Panthera) and reptiles (primarily genuses Varanus and Triocerus), while most exported taxons are birds (prevailing genuses Platycercus, Polytelis and Falco) and mammals (especially genus Lemur). While the export records showed an increasing trend, the imports were culminating around the average level of 642.3 records per year and lowest amount in the last year of the period. We emphasise smuggling of snowdrops and tigers and their products, which were reported to be seized, but with lack of records in legal trade.

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18

Krysko, Kenneth. "Trioceros jacksonii (Jackson’s chameleon)." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.120726.

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This datasheet on Trioceros jacksonii covers Identity, Overview, Distribution, Dispersal, Diagnosis, Biology & Ecology, Environmental Requirements, Impacts, Uses, Prevention/Control, Further Information.

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19

Böhme, Wolfgang. "Documenting synonymies in Trioceros ituriensis (Schmidt, 1929) with remarks on sexual dimorphism in chameleons (Squamata: Chamaeleonidae)." Revue suisse de Zoologie 130, no. 2 (2023). http://dx.doi.org/10.35929/rsz.0099.

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20

"Male Jackson’s Chameleons, Trioceros jacksonii, fighting, central highlands of Kenya. Photo reproduced by permission of Jan Stipala." Ethology 117, no. 6 (2011): i. http://dx.doi.org/10.1111/j.1439-0310.2011.01915.x.

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21

Sapion-Miranda, Paula, David Ebmer, Edwin Kniha, et al. "First identification of a patent pentastomid pulmonary (Raillietiella orientalis) infection in a captive Meller's chameleon (Trioceros melleri) in Germany." International Journal for Parasitology: Parasites and Wildlife, February 2025, 101045. https://doi.org/10.1016/j.ijppaw.2025.101045.

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22

Böhme, Wolfgang. "Corrigendum to “Documenting synonymies in Trioceros ituriensis (Schmidt, 1929) with remarks on sexual dimorphism in chameleons (Squamata: Chamaeleonidae)” [Revue suisse de Zoologie 130(2): 251-264]." Revue suisse de Zoologie 131, no. 1 (2024). http://dx.doi.org/10.35929/rsz.0124.

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