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Holcothyris concava
Taxonomy
Holcothyris concava was named by Buckman (1917). Its type specimen is GSI Type No. 11749 and is a 3D body fossil. Its type locality is Nashy, which is in a Bathonian carbonate limestone in the Namyau Beds Formation of Myanmar.
Subspecies
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1917 | Holcothyris sulcata Buckman p. 187 figs. Pl. 9, Fig. 1a-c |
1917 | Holcothyris concava Buckman p. 188 figs. Pl. 9, Fig. 2a-c |
1917 | Holcothyris excurvata Buckman p. 188 figs. Pl. 9, Fig. 3-4 |
1917 | Holcothyris expansa Buckman p. 201 figs. Pl. 12, Fig. 2-4 |
1940 | Holcothyris concava Sahni p. 9 figs. Pl. 1, Fig. 12-15, a-c; Text Fig. 5-6a-c |
1940 | Holcothyris sulcata Sahni p. 20 figs. Text Fig. 17a-c |
1987 | Holcothyris concava Yang and Shi p. 43 figs. Pl. 3, Fig. 6, 11; Text Fig. 11 |
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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.
†Holcothyris concava Buckman 1917
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†Holcothyris concava subexpansa Sahni 1940
Invalid names: Holcothyris excurvata Buckman 1917 [synonym], Holcothyris expansa Buckman 1917 [synonym], Holcothyris sulcata Buckman 1917 [synonym]
Diagnosis
No diagnoses are available