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Becscia
Taxonomy
Becscia was named by Copper (1995) [Sepkoski's age data: S Ldov-l S Ldov-m Sepkoski's reference number: 1179]. It is not extant. Its type is Becscia scissura.
It was assigned to Atrypida by Sepkoski (2002); and to Septatrypinae by Copper (1995) and Williams et al. (2002).
It was assigned to Atrypida by Sepkoski (2002); and to Septatrypinae by Copper (1995) and Williams et al. (2002).
Species
B. carletona, B. scissura (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Becscia Copper pp. 853 - 854 |
| 2002 | Becsia Sepkoski |
| 2002 | Becscia Williams et al. p. 1466 |
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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.
G. †Becscia Copper 1995
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†Becscia carletona Twenhofel 1914
†Becscia scissura Copper 1995
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Copper 1995 | Relatively small, primarily smooth or weakly weakly plicate; anterior fold sharply or weakly defined by two divergent "ribs" lining sulcus on ventral valve; internally prominent dental cavities; raised hinge plate fused centrally by inner socket ridges; low-spired, dorsally directed spiralia; jugal processes terminating in thick jugal plates. |