Holcothyris trigonalis Buckman 1917 (lamp shell)

Rhynchonellata - Terebratulida - Postepithyrididae

Synonym: Holcothyris transversalis Buckman 1917

Full reference: S. S. Buckman. 1917. The Brachiopoda of the Namyau Beds, Northern Shan States, Burma. Palaeontologia Indica 3(2):1-254

Belongs to Holcothyris according to Z. Y. Yang and X. Y. Shi 1987

See also Sahni 1940

Sister taxa: Holcothyris acuminata, Holcothyris ancile, Holcothyris angulata, Holcothyris angusta, Holcothyris breviseptata, Holcothyris campbelli, Holcothyris concava, Holcothyris cooperi, Holcothyris curvata, Holcothyris delta, Holcothyris depressa, Holcothyris dubia, Holcothyris elliptica, Holcothyris excavata, Holcothyris golmudensis, Holcothyris kaiwaraensis, Holcothyris laosensis, Holcothyris luchiangensis, Holcothyris macra, Holcothyris micromorpha, Holcothyris orbicularis, Holcothyris ovata, Holcothyris ovoides, Holcothyris perplicata, Holcothyris plecta, Holcothyris raoi, Holcothyris rostrata, Holcothyris rotundata, Holcothyris subangulata, Holcothyris subcurvata, Holcothyris subovalis, Holcothyris tanggulaica, Holcothyris tenuis, Holcothyris trigonaris, Holcothyris triseptata

Subtaxa: Holcothyris trigonalis pulchra

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Type specimens:

  • Holcothyris trigonalis: GSI Type No. 11753. Its type locality is Bawgyo, left bank of R. Namtu opposite, which is in a Bathonian carbonate limestone in the Namyau Beds Formation of Myanmar.
  • Holcothyris transversalis: GSI Type No. 11776. Its type locality is Pangwoleng, which is in a Bathonian carbonate limestone in the Namyau Beds Formation of Myanmar.

Ecology: stationary low-level epifaunal suspension feeder

Distribution:

• Jurassic of China (3 collections), France (2), Myanmar (7)

Total: 12 collections including 13 occurrences

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Specimen images are retrieved through the ePANDDA API.


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