- Osteostraci,
there being currently no
evidence that the
galeaspids had
paired fins.[citation needed] A
galeaspid Tujiaaspis vividus from the
Silurian period of...
- The
galeaspid Nochelaspis maeandrine from the
Devonian period...
- evolution. Most of the ostracoderms, such as thelodonts, osteostracans, and
galeaspids, were more
closely related to the
gnathostomes than to the
surviving agnathans...
- from the Late
Silurian of Canada, Norway, and the U.S.
Tujiaaspis is a
galeaspid agnathan from the
early Silurian (Telychian) of China,
showing origin...
-
Nochelaspis is an
extinct genus of
Galeaspid. It
lived during the
Lochkovian period in
Lower Devonian East Asia (in
today southeastern China and northern...
- (IPA: [fɒksæspɪs]) (meaning "fox shield") is a
genus of
duyunolepidid galeaspid from the
early Devonian (Pragian stage)
Xiaoshan Formation in Guangxi...
-
extinct armored fishes called ostracoderms. Most
fossil agnathans, such as
galeaspids, thelodonts, and osteostracans, are more
closely related to vertebrates...
- to
early Wenlock stages). It is the
basalmost known eugaleaspidiform galeaspid and it
lived in what is now
northwestern Zhejiang Province, Southeast...
-
preserved complete fossils of
earliest jawed vertebrates, as well as some
galeaspids and eurypterids.
Waukesha Biota (Brandon
Bridge Formation) ~435 Ma Early...
- Yongdongaspis,
colloquially known as the
Binhai Yongdong, is an
extinct genus of
galeaspid within the
monotypic family Yongdongaspididae. The type
species is Y....
