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Protatrypa
Taxonomy
Protatrypa was named by Boucot et al. (1964) [Sepkoski's age data: O Ashg-m S Ldov-m Sepkoski's reference number: 25,965]. It is the type genus of Protatrypinae.
It was assigned to Atrypinae by Boucot et al. (1964), Boucot and Johnson (1964) and Williams et al. (2002); to Atrypida by Sepkoski (2002); and to Protatrypinae by Baarli et al. (2022).
It was assigned to Atrypinae by Boucot et al. (1964), Boucot and Johnson (1964) and Williams et al. (2002); to Atrypida by Sepkoski (2002); and to Protatrypinae by Baarli et al. (2022).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Protatrypa Boucot and Johnson p. 7 |
| 2002 | Protatrypa Sepkoski |
| 2002 | Protatrypa Williams et al. p. 1400 |
| 2022 | Protatrypa Baarli et al. pp. 2145920-10 |
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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. †Protatrypa Boucot et al. 1964
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†Protatrypa malmoeyensis Boucot et al. 1964
†Protatrypa thorslundi Boucot and Johnson 1964
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. J. Boucot et al. 1964 | Subequally biconvex, subcircular,
transverse, or elongate shells commonly without a well developed fold and sulcus. Brachial valve may bear a shallow furrow posteriorly. Ornament as in Atrypa. Dental lamellae present or obsolescent. Pedicle valve muscle field non-flabellate. Striated area for diductor attachment lacking in the brachial valve.Sockets not crenulated. A stout myophragm may be present. Brachidium as in Atrypa. A specimen of Atrypa reticularis is illustrated for comparison (pl. 126, figs. 1-5). |