Osteostraci
Osteostraci Osteostraci (Cephalaspidiformes) are an extinct marine subgroup of ... from the Middle Silurian to Late Devonian . Osteostraci possessed paired fin-like structures. See also ...
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National park of Miguasha   (translated from French)
... representatives AnaspidaEscuminaspis laticeps, and Levesquaspis patteni representatives Osteostraci. From the evolutionary point of view, it ... two species belonging to the group of Osteostraci are the whole last representing of this ...
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Kieferlose   (translated from German)
... animals. Become extinct Kieferlose Anaspida Conodonta Galeaspida Osteostraci Pikaia Pituriaspida Pteraspidomorphi Astraspida Arandaspida Eriptychiida Heterostraci ...
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Phylogenetic tree   (translated from French)
... Galeaspida (extinct) ? ??o ? ??o Pituriaspida (extinct) ? ??o Osteostraci (extinct) ??o ??o Loganiidae (extinct) ??o GNATHOSTOMATA ...
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Wenlock epoch
... of at least 600 species of brachiopod, Osteostraci, coral, trilobite, clam, bryozoan, and crinoid fossils ...
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Galeaspida
... bone shield on the head. See also Osteostraci http://tolweb.org/tree?group=Galeaspida
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Anaspida
... Devonian times. Anaspida are similar to the Osteostraci and had unpaired fins.
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Category:Paleontology stubs
... Morganucodon Mya (unit) Mylodon O Oligokyphus Orohippus Osteostraci Oxydactylus P Pachytheca Palaeoloxodon Palaeoryctoid Palaeoxylology Paleontological ...
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Agnatha
... lampreys) Pteraspidomorphi Thelodonti Anaspida Cephalaspidomorphi Galeaspida Pituriaspida Osteostraci Agnatha ( Greek , "no jaws") is a paraphyletic ...
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Vertebrate
Vertebrate ? Vertebrates Northern Bluefin Tuna, Thunnus thynnus Scientific classification Kingdom: Animalia Phylum: Chordata (unranked) Craniata Subphylum: Vertebrata Cuvier, 1812 Subgroups †Conodonta Hyperoartia Petromyzontidae (lampreys) †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Gnathostomata (jawed vertebrates) †Placodermi Chondrichthyes (cartilaginous fish) †Acanthodii Osteichthyes (bony fish) Actinopterygii (ray-finned fish) Sarcopterygii (lobe-finned fish) Actinistia ...
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