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Larval development of Brachiopod Coptothyris grayi (Davidson, 1852) (Brachiopoda, Rhynchonelliformea)

Doklady Biological Sciences volume 471, pages 258–260 (2016)Cite this article

Abstract

The larval development of the Brachiopod Coptothyris grayi (Davidson, 1852) from the Sea of Japan is described for the first time. Ciliated blastula proved to represent the first free-swimming stage. The blastopore is initially formed as a rounded hole stretching later along the anteroposterior axis. The larva is first divided into two lobes (the apical lobe and the trunk); the mantle lobe is formed later as two lateral folds. Two pairs of seta bundles appear in the late stage larvae. The apical larval lobe in brachiopods is supposed to match the pre-oral lobe and anterior part of the trunk with tentacles in phoronids.

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Affiliations

  1. Moscow State University, Moscow, Russia

    T. V. Kuzmina, E. N. Temereva & V. V. Malakhov

  2. Far Eastern Federal University, Vladivostok, Russia

    V. V. Malakhov

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  1. T. V. Kuzmina
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  2. E. N. Temereva
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  3. V. V. Malakhov
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Correspondence to T. V. Kuzmina.

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Original Russian Text © T.V. Kuzmina, E.N. Temereva, V.V. Malakhov, 2016, published in Doklady Akademii Nauk, 2016, Vol. 471, No. 1, pp. 118–121.

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Kuzmina, T.V., Temereva, E.N. & Malakhov, V.V. Larval development of Brachiopod Coptothyris grayi (Davidson, 1852) (Brachiopoda, Rhynchonelliformea). Dokl Biol Sci 471, 258–260 (2016). https://doi.org/10.1134/S0012496616060016

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  • DOI: https://doi.org/10.1134/S0012496616060016