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Quadrotheca Sysoev, 1957

Source

Rank

genus

Names

1

species:4863720

in Orlov (Ed. ) 1958, Osnovy Paleont. VI. Molluski, Ammonoidei etc. : 187.

Classification

Orthothecidae Syssoiev, 1957
- Quadrotheca Sysoev, 1957