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Nice rolled specimen
Walcott 1886
This piece has a very special position within our dinosaur bones collection
Cephalopoda - Ammonoidea - Mimosphinctidae
It is a tooth of the lower jaw of a cow shark
30568 - Rare 0.22 Inch Tasagnostus debori Middle Cambrian Trilobite - Tasmania, Australia Pseudobasiliscus Nice rolled specimenTasagnostus, Jago 1976 (trilobite) Trilobita Agnostida PaleoDB taxon number: 19324 Parent taxon: Agnostida according to J. J. Sepkoski 2002 Sister taxa: Agnostidae, Agnostina, Agnostogonus, Agnostoidea, Aistagnostus, Allobodochus, Ammagnostidae, Armagnostus, Blystagnostus, Ceragnostus, Chatkalagnostus, Chelediscus, Clavagnostidae, Condylopygidae, Cristagnostus, Delagnostus, Dicerodiscus, Dignagnostus, Dolichoagnostus, Egyngolia, Euagnostus,