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Proliostracus contractus

Artiopoda - Ptychopariida - Ptychopariidae

Taxonomy
Proliostracus contractus was named by Fritz (1972). Its type specimen is GSC 27306, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Sekwi Formation - collection 73042, which is in a Cambrian marine shale in the Sekwi Formation of Canada.

Entered
by S. Mahmood (authorized by M. Hopkins) on 2014-05-12

Synonymy list
YearName and author
1972Proliostracus contractus Fritz p. 45 figs. Pl. 10, figs. 3,5

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyPtychopariidaeMatthew 1887
genusProliostracusPoulson
speciescontractus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

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Diagnosis
No diagnoses are available