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Glyptorthis viriosa
Taxonomy
Glyptorthis viriosa was named by Williams (1974). Its type specimen is BB 35505a, b and is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Glyptorthis viriosa Williams pp. 64 - 67 figs. PI. 10, figs. 6, 8, 9, 11, 12, 14, 15 ; PI. 11, figs. 1, 2, 4 |
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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.
†Glyptorthis viriosa Williams 1974
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Williams 1974 | Small Glyptorthis with a shallowly sulcate brachial valve about fourfifths as long as wide and a catacline pedicle valve 37% as deep as long, ornamented by fascicostellae numbering 2 or 3 per mm, 5 mm antero-medially of the dorsal umbo, and concentric lamellae with a modal density of 3 per mm between 5 and 6 mm antero-medially of the dorsal umbo. |