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Taphrorthis bellatrix
Taxonomy
Orthis (Hebertella) bellatrix was named by Reed (1917).
It was recombined as Taphrorthis bellatrix by Williams (1962).
It was recombined as Taphrorthis bellatrix by Williams (1962).
Synonymy list
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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.
†Taphrorthis bellatrix Reed 1917
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Williams 1962 | Large, subquadrate Taphrorthis with a convex brachial valve, only initially sulcate, and a slightly less convex pedicle valve about four-fifths as long as wide and broadly sulcate anteriorl3~; ornamentation finely costellate with 10 per 5 mm. antero-medianly and wide interspaces, concentrically lamellose and beating radial filae; ventral muscle-field over nine-tenths as wide as long contained in a subtriangular pseudospondylium less than one-third as long as the pedicle valve with a broad, elevated adductor ridge extending beyond the anterior margins of the lateral diductors. |