A new boring bryozoan from the Middle Jurassic of the Moscow Region and its micro-CT research

被引：14
|
作者：
Viskova, L. A. [1 ]
Pakhnevich, A. V. [1 ]
机构：
[1] Russian Acad Sci, Borissiak Paleontol Inst, Moscow 117997, Russia
来源：
PALEONTOLOGICAL JOURNAL | 2010年 / 44卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
Bryozoa; boring Ctenostomata; Middle Jurassic; Middle Callovian; Russia; Moscow Region; BURROWING BRYOZOANS; CITY;
D O I：
10.1134/S0031030110020073
中图分类号：
Q91 [古生物学];
学科分类号：
0709 ; 070903 ;
摘要：
A new boring ctenostome bryozoan without calcareous skeleton, Orbignyopora opulenta sp. nov. (Vesiculariida, Eurystomata), is described from deposits of the Middle Callovian of the Moscow Region. A pioneering micro-ct examination of a colony of this species reveals its diagnostic features hidden in the shell substratum: shape, size, and distinctive features in the budding of zooids and stolons, and also tubular processes (tubulets) developed on the frontal surface of autozooids. The diagnosis of the genus Orbignyopora is added by dimorphism of autozooids (A-zooids and B-zooids) and spindly kenozooids.
引用
收藏
页码：157 / 167
页数：11
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