ostracophoren.
/ɒˈstrakəfɔː/, /ˈɒstrəkəfɔː/, U.S. /ˈɑstrəkəˌfɔr/ Palaeontology. rare disused.
= ostracoderm n. 2.
ΘΚΠ
the world > animals > fish > superclass Agnatha > [noun] > member of Ostracodermi (fossil)
ostracophore1895
ostracoderm1898
ostracodermous1925
1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. Ostracophori, a Paleozoic subclass of fishes without jaw-bones and having the head and the front of the trunk covered with plates, including Heterostraci and Osteostraci—ostracophore n.
1908 Science 4 Sept. 313/2 The characters linking the arthrodires with the Ostracophores..are surely not dipnoan.
This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).
<
n.1895