Atlanta echinogyra Richter 1972

Abstract

Atlanta echinogyra Richter, 1972 (Figs 2 K-M) Description. – Protoconch medium high, broad, slightly tilted, heavily ornamented with spiral ridges and some finer ornamentation, ~4 whorls, red-brown. Teleoconch colourless, last part of the whorl rises markedly. Aperture pointed towards the keel. Remarks. – The medium high heavily ornamented spire of the protoconch characterises this species. Distribution. – This species has only been found on the Sarawak outer shelf (DD29), Brunei middle to outer shelf (MES24, 25) and protoconchs on Sabah middle shelf (DD95)

Authors 4

1. Han
2. J. G. M.
3. Raven Aachen

   Naturalis Biodiversity Center

   Affiliation as printed

   Research Associate, Naturalis Biodiversity Center, Leiden, The Netherlands. E-mail: han. raven @ naturalis. nl; https: // orcid. org / 0000 - 0002 - 5305 - 0795

4. David J. Marshall

   Universiti Brunei Darussalam

   Affiliation as printed

   Environmental and Life Sciences, Faculty of Science, Universiti Brunei Darussalam, Brunei Darussalam. https: // orcid. org / 0000 - 0003 - 3771 - 5950 * Corresponding author. E-mail: david. marshall @ ubd. edu. bn