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Extinct family of jawless fishes
Protopteraspididae is an extinct family of pteraspidid heterostracan agnathans. Fossils of the various genera are found in early Devonian-aged marine strata
Protopteraspididae
Extinct order of jawless fishes
psammosteids are a group of pteraspidiforms that forms the sister taxon of Protopteraspididae and Pteraspidoidei, and are sometimes treated as a suborder, "Psammosteoidei"
Pteraspidiformes
Extinct subclass of jawless fishes
Gigantaspididae, Pteraspididae, and Protaspididae are monophyletic: Protopteraspididae has recently been determined to be paraphyletic within Pteraspidiformes
Heterostraci
Extinct genus of jawless fishes
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Sacabambaspis
Extinct class of jawless fishes
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Pteraspidomorpha
Extinct order of jawless fishes
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Traquairaspidiformes
Extinct subclass of jawless fishes
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Arandaspida
Extinct genus of jawless fishes
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Drepanaspis
Extinct genus of jawless fishes
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Pteraspis
Extinct genus of jawless fishes
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Astraspis
Extinct genus of jawless fishes
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Protaspis
Extinct genus of jawless fish
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Doryaspis
Extinct genus of Pteraspidomorph fish
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Arandaspis
Extinct genus of jawless fishes
crenulata Protaspis bucheri Cosmaspis transversa Zascinaspis carmani 'Protopteraspididae' Randle & Sansom (2017) Athenaegis Anglaspis Nahanniaspis Anchipteraspis
Tuberculaspis
Extinct superfamily of jawless fishes
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Hibernaspidoidei
Extinct genus of jawless fishes
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Weigeltaspis
Extinct genus of jawless fishes
suggested that the genus was a part of a paraphyletic group called 'Protopteraspididae'. In their results, the family was treated as genera between Anchipteraspididae
Panamintaspis
Extinct genus of jawless fishes
Infraphylum: Agnatha Class: †Pteraspidomorpha Subclass: †Heterostraci Order: †Pteraspidiformes Family: †Protopteraspididae Genus: †Protopteraspis Leriche, 1924
Protopteraspis
Extinct genus of Pteraspidomorph fish
Ulutitaspis Podolaspididae Dnestraspis Parapteraspis Semipodolaspis Protopteraspididae Protopteraspis Doryaspis Escharaspis Miltaspis Stegobranchiaspis Unkaraspis
Apedolepis
the family Protopteraspididae. Canadapteraspis uniformis Sp. nov Valid Thorsteinsson & Elliott Canada A member of the family Protopteraspididae. Corvaspis
2022_in_paleoichthyology
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