Academic literature on the topic 'Mollusks – Classification'

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Journal articles on the topic "Mollusks – Classification"

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Carter, Joseph G., and George R. Clark. "Classification and Phylogenetic Significance of Molluscan Shell Microstructure." Notes for a Short Course: Studies in Geology 13 (1985): 50–71. http://dx.doi.org/10.1017/s0271164800001093.

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Like most classifications of molluscan shell microstructure published during the past 25 years (e.g., MacClintock, 1967; Kobayashi, 1964, 1971; Taylor, Kennedy and Hall, 1969, 1973; Grégoire, 1972a), the present one is based largely on Bøggild's (1930) monographic work, redefined from a modern perspective of combined light and scanning electron microscopy. However, this is the first attempt to integrate shell microstructure terminology for mollusks with that employed by students of bryozoan and brachiopod shell microstructure (e.g., Williams, 1968a,b, 1970, 1973; Williams and Wright, 1970; Arm
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George J., Vazurkar N., Gite V.A., Jadhav T.S., and Dhangada P. "Comparative Study of Molluscan Diversity of Kelve and Shirgaon Beach, Palghar, Maharashtra (India)." Ecology, Environment and Conservation 30, suppl (2024): 75–78. http://dx.doi.org/10.53550/eec.2024.v30i01s.014.

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Coastal ecosystems, encompassing various habitats such as mangroves, coral reefs, beaches, cliffs, lagoons, and estuaries, are vital for the diversity of life. Mollusks, belonging to the phylum Mollusca in the animal kingdom, play a significant role in coastal ecosystems. They serve as important members of the food chain and exhibit remarkable ecological adaptations to various habitats. This research aims to investigate the diversity of mollusks at Kelwa and Shirgaon beaches in Palghar district, Maharashtra. The study will reveal the molluscan diversity at these specific locations, providing i
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Sulistiyo, Restu Budi, and Fakhri. "Malacofauna from Cappa Lombo Site: Environmental Reconstruction and Subsistence Strategies of The Bontocani Highland Karst Region, South Sulawesi." KALPATARU 32, no. 1 (2023): 47–62. http://dx.doi.org/10.55981/kpt.2023.1045.

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The remains of mollusk shell fragments are ecofacts that can explain the environmental conditions occupied by humans, especially in the context of the Holocene period in Sulawesi. This research answers questions related to the types of mollusks found in the cultural layer and aims to identify malacofauna remains at the Cappa Lombo site, Bontocani, South Sulawesi. The data collection method was carried out through excavation, and the analytical method involved taxonomic identification, external morphological identification, taxonomic classification, and documentation. This study successfully id
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Babushkin, Evgeny S., Ivan O. Nekhaev, Maxim V. Vinarski, and Liubov V. Yanygina. "Aliens and Returnees: Review of Neobiotic Species of Freshwater Mollusks in Siberia from the Kazakhstan Steppe to the Arctic Tundra." Diversity 15, no. 3 (2023): 465. http://dx.doi.org/10.3390/d15030465.

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This article reviews all available information on the species composition, current distribution, and origins of the neobiotic (non-indigenous and restoring the lost range) freshwater mollusks in Siberia. An extensive literary search has been carried out, and virtually all existing publications of recent decades on the findings of freshwater mollusk species new to Siberia were taken into account. We examined extensive malacological collections of some of Russia’s and Kazakhstan’s scientific organizations. The core of the examined material is our own observations and collections made in various
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Vinarski, Maxim V. "The birth of malacology. When and how?" Zoosystematics and Evolution 90, no. (1) (2014): 1–5. https://doi.org/10.3897/zse.90.7008.

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In 1795, Georges Cuvier proposed a new classification of invertebrate animals based on anatomical data. He created a new concept of mollusks as representatives of a unique type of morphological organization of animals. Before Cuvier, the name "mollusks" was used only for cephalopods without external shells and slugs, whereas all shelled mollusks were placed in another taxon, Testacea. The Cuvier's works (1795a, b, 1798) are considered here as the starting point of transformation of classical conchology (= study of shells) into modern malacology (= study of molluscous animals as whole organisms
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Fusco, Giovanna, Aniello Anastasio, David H. Kingsley, et al. "Detection of Hepatitis A Virus and Other Enteric Viruses in Shellfish Collected in the Gulf of Naples, Italy." International Journal of Environmental Research and Public Health 16, no. 14 (2019): 2588. http://dx.doi.org/10.3390/ijerph16142588.

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To assess the quality of shellfish harvest areas, bivalve mollusk samples from three coastal areas of the Campania region in Southwest Italy were evaluated for viruses over a three-year period (2015–2017). Screening of 289 samples from shellfish farms and other locations by qPCR and RT-qPCR identified hepatitis A virus (HAV; 8.9%), norovirus GI (NoVGI; 10.8%) and GII (NoVGII; 39.7%), rotavirus (RV; 9.0%), astrovirus (AsV; 20.8%), sapovirus (SaV; 18.8%), aichivirus-1 (AiV-1; 5.6%), and adenovirus (AdV, 5.6%). Hepatitis E virus (HEV) was never detected. Sequence analysis identified HAV as genoty
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Karetin, Yuriy A., Aleksandra A. Kalitnik, Alina E. Safonova, and Eduardas Cicinskas. "Description and classification of bivalve mollusks hemocytes: a computational approach." PeerJ 7 (June 21, 2019): e7056. http://dx.doi.org/10.7717/peerj.7056.

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The fractal formalism in combination with linear image analysis enables statistically significant description and classification of “irregular” (in terms of Euclidean geometry) shapes, such as, outlines ofin vitroflattened cells. We developed an optimal model for classifying bivalveSpisula sachalinensisandCallista brevisiphonataimmune cells, based on evaluating their linear and non-linear morphological features: size characteristics (area, perimeter), various parameters of cell bounding circle, convex hull, cell symmetry, roundness, and a number of fractal dimensions and lacunarities evaluatin
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Movsesyan, S. O., M. A. Nikoghosian, R. A. Petrosian, et al. "Life Cycles of Lung Helminths in Terrestrial Mammals from Eastern Europe and Their Biological Classification." Известия Российской академии наук. Серия биологическая, no. 5 (September 1, 2023): 507–19. http://dx.doi.org/10.31857/s102634702260114x.

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This article has been prepared based on the results of many years of the authors' studies in the framework of scientific cooperation between Academies of Science of Russia, Armenia, Bulgaria and Poland. It is a continuation of one published in Annals of Parasitology: Biodiversity of Lung Helminths in Terrestrial Mammals from Eastern Europe (2021). To determine the biological diversity of lung helminths various vertebrate hosts were studied, including 7 species from Armenia, 13 from Russia, 7 from Bulgaria and 10 from Poland, as well as many invertebrate potential hosts, mainly land mollusks. T
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Dornellas, Ana Paula, Cristiane Xerez Barroso, and Rodrigo Cesar Marques. "Unveiling the Understudied: a Look at Phylogenetic Research on Mollusks in Brazil." Papéis Avulsos de Zoologia 64 (October 1, 2024): e202464035. http://dx.doi.org/10.11606/1807-0205/2024.64.035.

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Phylogenies are essential for organizing knowledge on biological diversity, structuring classifications, and providing insights into evolutionary events. Worldwide phylogenetic studies on mollusks emerged in the late 1980s, while in Brazil, phylogenetic analyses of mollusks started around 2000. For unknown reasons, phylogenies of lower hierarchical taxa, such as subfamilies, tribes, and genera, are not common in Malacology. Here, we analyzed articles published by malacologists and evaluated the proportion of alpha taxonomic reviews compared to phylogenetic systematic studies conducted at Brazi
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Christyan, Timothy, Safitri Yuliana Utama, Bagus Tri Yulianto Darmawan, and Faisal Dharma Adhinata. "Nudibranch Suborders Classification based on Densely Connected Convolutional Networks." JITCE (Journal of Information Technology and Computer Engineering) 8, no. 1 (2024): 30–37. http://dx.doi.org/10.25077/jitce.8.1.30-37.2024.

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Nudibranchs, often called sea slugs, are a group of soft-bodied marine gastropod mollusks that shed their shells after their larval stage. With their body structure that is very similar between one suborder and another, sometimes it is hard to tell apart the suborder of a nudibranch. In this work, we make an Image Classification model for determining the suborder of a nudibranch using deep learning algorithms DenseNet and EfficientNet. The experiment is conducted using Google Colaboratory environment. For DenseNet, we use 121, 169, and 201 layers; meanwhile, we only use the baseline algorithm
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Dissertations / Theses on the topic "Mollusks – Classification"

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Huang, Qin, and 黃勤. "Polymorphism in twelve species of Neritidae: (Mollusca : Gastropoda : Prosobranchia) from Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B31234896.

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Tillier, Simon. "Morphologie comparée, phylogénie et classification des Gastéropodes Pulmones Stylomatophores (Mollusca)." Paris 6, 1985. http://www.theses.fr/1985PA06A002.

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Magalhães, Frederico Thomaisino 1981. "Mollusca Bivalvia da Baía do Almirantado, Ilha Rei George, Antártica : taxonomia e distribuição." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/315908.

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Orientador: Flávio Dias Passos<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-20T10:56:39Z (GMT). No. of bitstreams: 1 Magalhaes_FredericoThomaisino_M.pdf: 177494137 bytes, checksum: 180836253ab4ccebefd0ddea49b4655e (MD5) Previous issue date: 2012<br>Resumo: O Brasil aderiu ao "Tratado Antártico" em 1975, e desde 1982 mantém o "Programa Antártico Brasileiro. A partir de 1984 as pesquisas brasileiras se concentraram na Baía do Almirantado, na Ilha Rei George, onde se localiza a base do país. A Baía do Almirantado foi
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Hudelot, Cendrine. "La systématique des Octobrachia (Mollusca ;Cephalopoda) : une approche moléculaire." Paris, Muséum national d'histoire naturelle, 2000. http://www.theses.fr/2000MNHN0030.

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Les octobrachia sont des mollusques marins qui appartiennent à la classe des cephalopodes. Ce sont des animaux à corps mou pour lesquels il est difficile de trouver des caractères morphologiques discriminants. Une étude moléculaire a donc été menée afin d'apporter des informations complémentaires quant aux relations de parenté entre les espèces actuelles. . .
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Moretzsohn, Fabio. "Exploring novel taxonomic character sets in the Mollusca : the Cribrarula cribraria complex (Gastropoda:Cypraeidae) as a case study." Thesis, University of Hawaii at Manoa, 2003. http://hdl.handle.net/10125/3065.

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The goal of this dissertation is to explore novel and non-traditional taxonomic characters that may be useful for mollusks, and combine them with radular and shell characters to carry out a taxonomic review of the genus Cribrarula (Cypraeidae). Shells in this genus have conspicuous dorsal spots, but like odler cowries, lack sculpture, spines, and other shell characters commonly used in gastropod taxonomy. For these reasons, cowrie shells are considered uninformative. The study of dorsal spots (DS) and related characters suggest that at least in this complex, the dorsal spots may represent a re
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Nguyen, Xuan Tong, Thi Thu Huong Tran, Thi Thuy Duong, et al. "Bioaccumulation of organochlorine pesticides (OCPs) in molluscs and fish at the Sai Gon - Dong Nai estuary." Technische Universität Dresden, 2018. https://tud.qucosa.de/id/qucosa%3A33295.

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The aim of this study is to assess the biological accumulation of pesticide residues in aquatic organisms in Sai Gon - Dong Nai (SG-DN) estuary. Fish and mollusks were collected directly at the Soai Rap and Long Tau estuary of the SG-DN river system, washed and separated for taking the tissue. The organochlorine compounds from the tissue were then extracted and analyzed by gas chromatography system. The results showed that, the concentration of OCPs in Tegillarca granosa, Meretrix lyrata, Margaritifera auricularia and Bostrychus sinensis varied from 6.4 to 59.9 μg/kg, 7.2 to 322 μg/kg, 4.5 to
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Nangammbi, Tshifhiwa Constance. "Systematics of the phasianelloidea in Southern Africa : (Mollusca: Gastropoda: Vetigastropoda)." Thesis, 2010. http://hdl.handle.net/10413/10852.

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The taxonomy and biogeography of the southern African pheasant shell fauna are poorly known. Thirty–one nominal taxa referable to Phasianelloidea have been described or recorded in this region, but no systematic revision of these has ever been undertaken. Morphological evidence suggests that 16 taxa represent valid species, 13 are synonyms and two represent incorrect identifications. DNA sequence data from mitochondrial COI and 16S markers are used to assess the validity of the described nominal southern African Tricolia species. Phylogenetic analyses recovered seven distinct clades. Tricolia
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Books on the topic "Mollusks – Classification"

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Millard, Victor. Classification of Mollusca: A classification of world wide Mollusca. 3rd ed. Victor Millard, 2003.

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Carter, Joseph Gaylord. A synoptical classification of the Bivalvia (Mollusca). Paleontological Institute, The University of Kansas, 2011.

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Son, Min-ho. Pusan ŭi p'aeryu: Mollusks in Busan. Pugyŏng Taehakkyo Ch'ulp'anbu, 2005.

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Vaught, Kay Cunningham. A classification of the living Mollusca. American Malacologists, 1989.

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Charles, Lydeard, and Lindberg David R. 1948-, eds. Molecular systematics and phylogeography of mollusks. Smithsonian Books, 2003.

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Kaiser, Kirstie L. The recent molluscan marine fauna of the Islas Galápagos. San Diego Shell Club, 1997.

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Goto, Yoshihiro. A listing of living Mollusca. L'informatore piceno, 1996.

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Kantor, I͡U I. Katalog molli͡uskov Rossii i sopredelʹnykh stran. T-vo nauch. izd. KMK, 2005.

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Thiele, Johannes. Handbook of systematic malacology. Smithsonian Institution Libraries : National Science Foundation, 1992.

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Barash, Al. Rakikhot ha-Yam-ha-tikhon be-Yiśraʼel. ha-Ḥevrah la-haganat ha-ṭevaʻ, 1993.

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Book chapters on the topic "Mollusks – Classification"

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Rees, Paul A. "Platyhelminths, annelids and molluscs." In Key questions in biodiversity: a study and revision guide. CABI, 2021. http://dx.doi.org/10.1079/9781789248630.0007.

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Lindgrenb, Annie, and A. Louise Allcock. "Cephalopod mollusks (Cephalopoda)." In The Timetree of Life. Oxford University PressOxford, 2009. http://dx.doi.org/10.1093/oso/9780199535033.003.0027.

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Abstract The class Cephalopoda is a monophyletic group which can be divided into two subclasses; Nautiloidea and Coleoidea. Nautiloidea contains the nautiluses (Nautilus and Allonautilus), whereas Coleoidea contains the octopuses (Fig. 1), squids, and cuttleAshes. Coleoid cephalopods diBer from nautiloids most notably through the reduction (or complete loss) and internalization of the shell. DeAning features of Coleoidea include a muscular mantle used for locomotion and respiration, the modiAcation of the foot into appendages around the mouth, a closed circulatory system, and complex eyes with
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Brusca, Richard C., Gonzalo Giribet, and Wendy Moore. "Introduction to the Lophotrochozoa, and the Phylum Mollusca." In Invertebrates. Oxford University Press, 2022. http://dx.doi.org/10.1093/hesc/9780197554418.003.0013.

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This chapter provides an overview of the Lophotrochozoa and the phylum Mollusca. The Mollusca, Nemertea, Annelida, and the three lophophorate phyla comprise the clade Lophotrochozoa in the form of the so-called small shelly fossils. Molluscs comprise the second largest phylum of animals (after arthropods) and include some of the best-known invertebrates. The chapter then details the body plan and the very long and convoluted taxonomic history and classification of molluscs. Despite the enormous diversity, all molluscs share a suite of defining characteristics that include bilateral symmetry, r
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Crandalla, Keith A., Megan L. Porterc, and Marcos Pérez-Losada. "Crabs, shrimps, and lobsters (Decapoda)." In The Timetree of Life. Oxford University PressOxford, 2009. http://dx.doi.org/10.1093/oso/9780199535033.003.0036.

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Abstract Crustaceans comprise the fourth most species-rich group of metazoans on the planet, following insects, chelicerates, and mollusks. But in terms of morphological diversity (disparity), they are unrivaled (see 1, 2). Foremost among the crustaceans in number and diversity are the decapods. With over 15,000 described species they include those crustaceans most familiar to the general public—shrimp, lobsters, crabs (Fig. 1), and crayAsh— but also lesser known and unusual groups (3). themost recent classification (2) partitions 62,000 species of extant Crustacea among 849 families (compared
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Thompson, T. E. "Classification." In Molluscs: Benthic opisthobranchs (Mollusca:Gastropoda). BRILL, 1988. http://dx.doi.org/10.1163/9789004627536_006.

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Brown, Kenneth M., and Charles Lydeard. "Mollusca." In Ecology and Classification of North American Freshwater Invertebrates. Elsevier, 2010. http://dx.doi.org/10.1016/b978-0-12-374855-3.00010-8.

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Cummings, Kevin S., and Daniel L. Graf. "Mollusca." In Ecology and Classification of North American Freshwater Invertebrates. Elsevier, 2010. http://dx.doi.org/10.1016/b978-0-12-374855-3.00011-x.

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Kültz, Dietmar. "Overview of aquaculture species diversity." In A Primer of Ecological Aquaculture. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780198850229.003.0007.

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Abstract Aquaculture species diversity is much greater than that of farmed terrestrial species and they occupy more diverse positions within the network of life. The species that form the network of life are classified by the discipline of taxonomy founded by Carl von Linné, who introduced the unambiguous binomial nomenclature of species. Taxonomic classification of species within higher-level categories in the network of life is based on their phylogenetic (ancestral) relationships that can be revealed by comparing their genomes. Many aquatic animals are used for aquaculture, but three taxa d
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Graham, Alastair. "Classification." In Molluscs: Prosobranch and pyramidellid gastropods. BRILL, 1988. http://dx.doi.org/10.1163/9789004627512_013.

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Morris, N. J. "Early radiation of the Mollusca." In Major Evolutionary Radiations. Oxford University PressOxford, 1991. http://dx.doi.org/10.1093/oso/9780198577188.003.0004.

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Abstract During the last three decades more and more Cambrian Mollusca have been discovered, particularly among the small shelly faunas of the Lower and Middle Cambrian. Many of these have led to considerable discussion about their classification and the course of molluscan phylogeny. These early molluscs show an important radiation at the beginning of the Phanerozoic which led to the diversification into the recognized classes living today. This radiation seems to have been dependent on the origin of a dorsal exoskeleton and its subsequent calcification, and possibly its interference with the
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Conference papers on the topic "Mollusks – Classification"

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Caysido, Christopher Nilo A., Ezekiel J. Mariano, and Dionis A. Padilla. "Deep Learning-Based Classification of Bivalve Mollusk Species Using MobileNetV3 Architecture." In 2023 IEEE 15th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment, and Management (HNICEM). IEEE, 2023. http://dx.doi.org/10.1109/hnicem60674.2023.10589139.

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