CEPHALODISCUS-GRAPTOLITOIDES SP-NOV A PROBABLE EXTANT GRAPTOLITE

被引：31

作者：

DILLY, PN

机构：

[1] Department of Anatomy, St.George's Hospital Medical School, London, SW 17 ORE, Cranmer Terrace

来源：

JOURNAL OF ZOOLOGY | 1993年 / 229卷

关键词：

D O I：

10.1111/j.1469-7998.1993.tb02621.x

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

A new species of pterobranch has been found that has features that could resolve the long-standing arguments by palaeontologists about how the fossil graptolites produced their elaborate extra-corporeal homes. Many complex and biologically highly unlikely solutions previously proposed can be simplified. This animal is probably classifiable as a graptolite and thus a living fossil, representing a group thought to be extinct for 300 million years.

引用

页码：69 / 78

页数：10

共 24 条

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