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Holcothyris
Taxonomy
Holcothyris was named by Buckman (1917) [Sepkoski's age data: J Bajo-u J Bath-l Sepkoski's reference number: 1,872]. Its type is Holcothyris angulata.
It was assigned to Terebratulida by Sepkoski (2002); and to Postepithyrididae by Williams et al. (2006).
It was assigned to Terebratulida by Sepkoski (2002); and to Postepithyrididae by Williams et al. (2006).
Species
H. acuminata (syn. H. undulata, H. pinguis), H. ancile, H. angulata (type species), H. angusta, H. breviseptata, H. campbelli, H. concava (syn. H. expansa, H. sulcata, H. excurvata), H. cooperi, H. curvata, H. delta (syn. H. obscura), H. depressa, H. dubia, H. elliptica, H. excavata, H. golmudensis, H. kaiwaraensis, H. laosensis, H. luchiangensis, H. macra, H. micromorpha, H. orbicularis, H. ovata, H. ovoides, H. perplicata, H. plecta, H. raoi, H. rostrata, H. rotundata, H. subangulata, H. subcurvata, H. subovalis (syn. H. flexa), H. tanggulaica, H. tenuis, H. trigonalis (syn. H. transversalis), H. trigonaris, H. triseptata
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1917 | Holcothyris Buckman p. 125 |
2002 | Holcothyris Sepkoski |
2006 | Holcothyris Williams et al. p. 2113 |
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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. †Holcothyris Buckman 1917
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†Holcothyris acuminata Buckman 1917
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Invalid names: Holcothyris pinguis Buckman 1917 [synonym], Holcothyris undulata Buckman 1917 [synonym]
†Holcothyris ancile Reed 1927
†Holcothyris angulata areolata Sahni 1940
†Holcothyris angusta Buckman 1917
†Holcothyris breviseptata Jin et al. 1979
†Holcothyris campbelli MacFarlan 2016
†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]
†Holcothyris cooperi Sahni 1940
†Holcothyris curvata Buckman 1917
†Holcothyris depressa Sahni 1940
†Holcothyris dubia Buckman 1917
†Holcothyris elliptica Buckman 1917
†Holcothyris excavata Buckman 1917
†Holcothyris golmudensis Jin et al. 1979
†Holcothyris kaiwaraensis Campbell 1965
†Holcothyris laosensis Mansuy 1920
†Holcothyris luchiangensis Reed 1927
†Holcothyris luchiangensis minor Sahni 1940
†Holcothyris macra Buckman 1917
†Holcothyris micromorpha Sahni 1940
†Holcothyris orbicularis Sahni 1940
†Holcothyris ovata Sahni 1940
†Holcothyris ovoides Sahni 1940
†Holcothyris perplicata Sahni 1940
†Holcothyris plecta Buckman 1917
†Holcothyris raoi Sahni 1940
†Holcothyris rostrata Buckman 1917
†Holcothyris rotundata Sahni 1940
†Holcothyris rotundata pyriformis Sahni 1940
†Holcothyris subangulata Buckman 1917
†Holcothyris subcurvata Sahni 1940
†Holcothyris tanggulaica Jin et al. 1979
†Holcothyris tenuis Jin et al. 1979
†Holcothyris trigonalis Buckman 1917
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†Holcothyris trigonalis pulchra Sahni 1940
Invalid names: Holcothyris transversalis Buckman 1917 [synonym]
†Holcothyris trigonaris Buckman 1918
†Holcothyris triseptata Jin et al. 1979
Diagnosis
No diagnoses are available