Anatomy and behavior of Laternula elliptica, a keystone species of the Antarctic benthos (Bivalvia: Anomalodesmata: Laternulidae)
Laternula elliptica (P. P. King, 1832) is the sole representative of the anomalodesmatan family Laternulidae and the largest bivalve in the Antarctic and Subantarctic. A keystone species of the regional benthic communities, it has reached model status, having been studied in hundreds of scientific w...
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ftpubmed:oai:pubmedcentral.nih.gov:9745791 2023-05-15T13:35:02+02:00 Anatomy and behavior of Laternula elliptica, a keystone species of the Antarctic benthos (Bivalvia: Anomalodesmata: Laternulidae) Passos, Flávio Dias Sartori, André Fernando Domaneschi, Osmar Bieler, Rüdiger 2022-11-29 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9745791/ https://doi.org/10.7717/peerj.14380 en eng PeerJ Inc. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9745791/ http://dx.doi.org/10.7717/peerj.14380 © 2022 Passos et al. https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited. CC-BY PeerJ Animal Behavior Text 2022 ftpubmed https://doi.org/10.7717/peerj.14380 2022-12-18T02:08:05Z Laternula elliptica (P. P. King, 1832) is the sole representative of the anomalodesmatan family Laternulidae and the largest bivalve in the Antarctic and Subantarctic. A keystone species of the regional benthic communities, it has reached model status, having been studied in hundreds of scientific works across many biological disciplines. In contrast, its anatomy has remained poorly known, with prior published data limited to partial descriptions based on chemically preserved specimens. Based on observations of aquarium-maintained living animals at the Brazilian Comandante Ferraz Antarctic Station, gross-morphological dissections, and histological sectioning, the comparative anatomy, functional morphology, and aspects of behavior of L. elliptica are described and discussed. Special focus is placed on the pallial organs (including elucidation of cleansing and feeding sorting mechanisms in the mantle cavity) and the musculature. Among the noteworthy findings are the presence of well-developed siphons furnished with sensory tentacles at its tips, some of which bearing eyes; large, folded gills and labial palps capable of sorting the material entering the mantle cavity; an inter-chamber communication in the posterior region of the mantle cavity; an ample ventral mantle fusion with an anterior pedal gape; the absence of a 4(th) pallial opening; and the absence of a ligamental lithodesma in adult specimens. This study reevaluates the available anatomical data in the literature, both supplementing and correcting previously published accounts. Text Antarc* Antarctic PubMed Central (PMC) Antarctic Ferraz ENVELOPE(-64.117,-64.117,-65.117,-65.117) The Antarctic PeerJ 10 e14380 |
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PubMed Central (PMC) |
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topic |
Animal Behavior |
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Animal Behavior Passos, Flávio Dias Sartori, André Fernando Domaneschi, Osmar Bieler, Rüdiger Anatomy and behavior of Laternula elliptica, a keystone species of the Antarctic benthos (Bivalvia: Anomalodesmata: Laternulidae) |
topic_facet |
Animal Behavior |
description |
Laternula elliptica (P. P. King, 1832) is the sole representative of the anomalodesmatan family Laternulidae and the largest bivalve in the Antarctic and Subantarctic. A keystone species of the regional benthic communities, it has reached model status, having been studied in hundreds of scientific works across many biological disciplines. In contrast, its anatomy has remained poorly known, with prior published data limited to partial descriptions based on chemically preserved specimens. Based on observations of aquarium-maintained living animals at the Brazilian Comandante Ferraz Antarctic Station, gross-morphological dissections, and histological sectioning, the comparative anatomy, functional morphology, and aspects of behavior of L. elliptica are described and discussed. Special focus is placed on the pallial organs (including elucidation of cleansing and feeding sorting mechanisms in the mantle cavity) and the musculature. Among the noteworthy findings are the presence of well-developed siphons furnished with sensory tentacles at its tips, some of which bearing eyes; large, folded gills and labial palps capable of sorting the material entering the mantle cavity; an inter-chamber communication in the posterior region of the mantle cavity; an ample ventral mantle fusion with an anterior pedal gape; the absence of a 4(th) pallial opening; and the absence of a ligamental lithodesma in adult specimens. This study reevaluates the available anatomical data in the literature, both supplementing and correcting previously published accounts. |
format |
Text |
author |
Passos, Flávio Dias Sartori, André Fernando Domaneschi, Osmar Bieler, Rüdiger |
author_facet |
Passos, Flávio Dias Sartori, André Fernando Domaneschi, Osmar Bieler, Rüdiger |
author_sort |
Passos, Flávio Dias |
title |
Anatomy and behavior of Laternula elliptica, a keystone species of the Antarctic benthos (Bivalvia: Anomalodesmata: Laternulidae) |
title_short |
Anatomy and behavior of Laternula elliptica, a keystone species of the Antarctic benthos (Bivalvia: Anomalodesmata: Laternulidae) |
title_full |
Anatomy and behavior of Laternula elliptica, a keystone species of the Antarctic benthos (Bivalvia: Anomalodesmata: Laternulidae) |
title_fullStr |
Anatomy and behavior of Laternula elliptica, a keystone species of the Antarctic benthos (Bivalvia: Anomalodesmata: Laternulidae) |
title_full_unstemmed |
Anatomy and behavior of Laternula elliptica, a keystone species of the Antarctic benthos (Bivalvia: Anomalodesmata: Laternulidae) |
title_sort |
anatomy and behavior of laternula elliptica, a keystone species of the antarctic benthos (bivalvia: anomalodesmata: laternulidae) |
publisher |
PeerJ Inc. |
publishDate |
2022 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9745791/ https://doi.org/10.7717/peerj.14380 |
long_lat |
ENVELOPE(-64.117,-64.117,-65.117,-65.117) |
geographic |
Antarctic Ferraz The Antarctic |
geographic_facet |
Antarctic Ferraz The Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
PeerJ |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9745791/ http://dx.doi.org/10.7717/peerj.14380 |
op_rights |
© 2022 Passos et al. https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited. |
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CC-BY |
op_doi |
https://doi.org/10.7717/peerj.14380 |
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PeerJ |
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10 |
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e14380 |
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