The first 3D reconstruction of the coelomic system in Novocrania anomala (Brachiopoda, Craniiformea)

Plandin, F.; Temereva, E.

Авторы: Plandin Feodor, Temereva Elena
Сборник: 2nd Young Researcher Meeting Morphology
Тезисы
Год издания: 2021
Место издания: Deutschen Zoologischen Gesellschaft
Первая страница: 17
Последняя страница: 17
Аннотация: The organisation of the coelomic system in bilaterians is important in the light of such a fundamental problem as body compartmentalisation of the last common bilaterian ancestor. First complete 3D reconstructions of the coelomic system of Novocrania anomala has been done using serial sectioning. Coelomic system of N. anomala consists of five main parts: two large brachial canals, tentacle base coelom (i.e., perioesophageal coelom and paired small brachial canals), paired frontal chambers, main trunk coelom, and paired posterior adductor chambers. Thus, accordingly to our data, N. anomala possess “quinquepartite” coelomic system, which has never been described in brachiopods before. Relations between several coelomic cavities are still unobvious, especially in case of the frontal chambers and posterior adductor chambers. Anatomy of the coelomic system has a lot in common in craniiformes and rhynchonelliformes. The anal chamber, which was described by F. Blochmann in N. anomala in 1886, has not been discovered by the method of 3D reconstructions. Some peculiarities of the coelomic system organisation in N. anomala may be considered as a support for “brachiopod fold” hypothesis. This study is supported by Russian Science Foundation (#18-14-00082).
Добавил в систему: Пландин Федор Александрович

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The first 3D reconstruction of the coelomic system in Novocrania anomala (Brachiopoda, Craniiformea)тезисы доклада

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