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Girtyspira pygmaea

Gastropoda - Meekospiridae

Taxonomy
Bulimorpha pygmaea was named by Weller (1916). It is not a trace fossil. Its type locality is Bed No. 8, Fountain Creek, 2 miles southwest of Waterloo, which is in a Chesterian carbonate limestone in the Ste. Genevieve Formation of Illinois.

It was recombined as Girtyspira pygmaea by Knight (1936), Knight and Bridge (1944), Yochelson and Saunders (1967) and Thein and Nitecki (1974).

Synonymy list
YearName and author
1916Bulimorpha pygmaea Weller p. 256 figs. pl. 18 f. 1-5, ?6
1936Girtyspira pygmaea Knight p. 524
1944Girtyspira pygmaea Knight and Bridge p. 477 figs. pl. 195 f. 11-12
1967Girtyspira pygmaea Yochelson and Saunders p. 84
1974Girtyspira pygmaea Thein and Nitecki p. 218

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
subclassCaenogastropoda(Cox 1959)
familyMeekospiridae
genusGirtyspira
speciespygmaea()

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.

†Girtyspira pygmaea Weller 1916
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Diagnosis
No diagnoses are available