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Gregariella amara
Taxonomy
Gregariella amara was named by Griffin et al. (2008). Its type specimen is GHUNLPam 592, a shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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2008 | Gregariella amara Griffin et al. p. 144 |
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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.
†Gregariella amara Griffin et al. 2008
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Diagnosis
Reference | Diagnosis | |
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M. Griffin et al. 2008 | Gregariella with well defined postum-bonal ridge; anterior area with 7-10 ribs and posterior area with about 65 to 80, less crowded below pos-tumbonal ridge (18-20) than on dorsal area; rib section gently convex. |