Definition of Galeaspid. Meaning of Galeaspid. Synonyms of Galeaspid

- Osteostraci, there being currently no evidence that the galeaspids had paired fins.[citation needed] A galeaspid Tujiaaspis vividus from the Silurian period of...
- Lungmenshanaspis is an extinct genus of galeaspid vertebrates. It lived during the Lochkovian stage in Sichuan, China. Lungmenshanaspis is 15 cm (5.91...
- Foxaspis (/fɒksˈæspɪs/, meaning "fox shield") is a genus of duyunolepidid galeaspid from the early Devonian (Pragian stage) Xiaoshan Formation in Guangxi...
- 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...
- Yongdongaspis, colloquially known as the Binhai Yongdong, is an extinct genus of galeaspid vertebrates within the monotypic family Yongdongaspididae. The type species...
- Nochelaspis is an extinct genus of galeaspid vertebrates. It lived during the Lochkovian period in Lower Devonian East Asia (in today southeastern China...
- to early Wenlock stages). It is the basalmost known eugaleaspidiform galeaspid and it lived in what is now northwestern Zhejiang Province, Southeast...
- 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...
- Yunnan, South China. Xishancun Formation has remains of petalichthyid and galeaspid fish and it represents the Early Devonian period (Early Lochkovian) of...