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Devonian arthrodire embryos and the origin of internal fertilization in vertebrates

Date

Authors

Long, John

Trinajstic, Kate

Johanson, Zerina

Publisher

Macmillan Publishers Ltd

Abstract

Evidence of reproductive biology is extremely rare in the fossil record. Recently the first known embryos were discovered within the Placodermi, an extinct class of armoured fish, indicating a viviparous mode of reproduction in a vertebrate group outside

Keywords

Keywords: element; copulation; embryo; fertilization (reproduction); fish; fossil record; phylogenetics; reproductive biology; animal experiment; article; articular cartilage; Australia; biodiversity; convergent evolution; Devonian; embryo; embryo development; fert

URI

http://hdl.handle.net/1885/52419

Collections

ANU Research Publications

Source

Nature

Type

Journal article

DOI

10.1038/nature07732

Restricted until

2037-12-31

Downloads

File

Description

01_Long_Devonian_arthrodire_embryos_2009.pdf (1005.13 KB)