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Astegosia subquadrata
Taxonomy
Squamularia subquadrata was named by Girty (1908). Its type specimen is USNM 118596a, a shell (Articulated shell), and it is a 3D body fossil. It is the type species of Astegosia.
It was recombined as Astegosia subquadrata by Cooper and Grant (1969) and Cooper and Grant (1976).
It was recombined as Astegosia subquadrata by Cooper and Grant (1969) and Cooper and Grant (1976).
Synonymy list
Year | Name and author |
---|---|
1908 | Squamularia subquadrata Girty p. 369 figs. Pl 14, figs 2-3a |
1909 | Squamularia subquadrata Girty p. 369 figs. Pl 14, figs 2-3a |
1969 | Astegosia subquadrata Cooper and Grant p. 16 |
1976 | Astegosia subquadrata Cooper and Grant p. 2258 figs. Pl 641, figs 1-57; pl 642, figs 1-20; pl 649, figs 25,26 |
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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.
†Astegosia subquadrata Girty 1908
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Diagnosis
No diagnoses are available