Open AccessThe egg cases and capsules of the gastropod <i>Beringius marshalli </i>(Dall, 1919) (Gastropoda: Buccinidae: Beringiinae)
Author(s) -
V. V. Gulbin
Publication year - 2018
Publication title -
ruthenica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.288
H-Index - 5
eISSN - 2307-7336
pISSN - 0136-0027
DOI - 10.35885/ruthenica.2018.28(2).2
Subject(s) - gastropoda , anatomy , capsule , biology , zoology , paleontology
Eleven egg cases of Beringius marshalli (Dall, 1919) (Gastropoda: Buccinidae: Beringiinae) were found in the northern part of the Okhotsk Sea. Egg cases consist of 2-7 rounded capsules. Largest capsule has 54 mm in height and 31 mm in thickness. Capsule contains 2-3 embryos and numerous nurse eggs. Some egg capsules contained 2-3 young specimens (height 15.8, diameter 7.1 mm), which have well-developed cal- careous shells.