- Osteostraci,
there being currently no
evidence that the
galeaspids had
paired fins.[citation needed] A
galeaspid Tujiaaspis vividus from the
Silurian period of...
- 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...
-
Foxaspis (/fɒksˈæspɪs/,
meaning "fox shield") is a
genus of
duyunolepidid galeaspid from the
early Devonian (Pragian stage)
Xiaoshan Formation in Guangxi...
- Wang, Junqing; Donoghue,
Philip C. J.; Zhu, Min (28
September 2022). "
Galeaspid anatomy and the
origin of
vertebrate paired appendages". Nature. 609 (7929):...
-
Lungmenshanaspis is an
extinct genus of
galeaspid vertebrates. It
lived during the
Lochkovian stage in Sichuan, China.
Lungmenshanaspis is 15 cm (5.91...
- "shield fish" in
Hanyu Pinyin) is an
extinct genus of
eugaleaspidiform galeaspid known from the
Silurian of Yunnan,
southwestern China. Two
species are...
- evolution. Most of the ostracoderms, such as thelodonts, osteostracans, and
galeaspids, were more
closely related to the
gnathostomes than to the
surviving agnathans...
-
dated using conodonts as
index fossils. The
Xiaoxiang fauna also
includes galeaspids,
placoderms and acanthodians.
Guiyu was
described by
Chinese palaeontologist...
- Yongdongaspis,
colloquially known as the
Binhai Yongdong, is an
extinct genus of
galeaspid vertebrates within the
monotypic family Yongdongaspididae. The type species...
- to
early Wenlock stages). It is the
basalmost known eugaleaspidiform galeaspid and it
lived in what is now
northwestern Zhejiang Province, Southeast...
