Paracrurithyris pigmaea Liao 1980 (lamp shell)

Rhynchonellata - Spiriferida - Ambocoeliidae

Alternative combinations: Crurithyris pigmaea, Paracrurithyris pygmaea

Synonyms: Crurithyris pusilla Zhan 1979, Crurithyris tazawai He and Shi 2012, Orbicoelia pusilla Zhan 1979

Full reference: Z. T. Liao. 1980. Upper Permian brachiopods from western Guizhou. Late Permian Stratigraphy and Fossils in Western Guizhou and Eastern Yunnan 241-277

Belongs to Paracrurithyris according to W. H. He et al. 2019

See also Chen 2006, Chen 2009, Chen and Liao 2009, Garbelli et al. 2014, He et al. 2005, He et al. 2012, He and Shi 2012, Liao 1979, Liao 1980, Liao 1984, Liao 1987, Wang et al. 1982, Wu et al. 2019 and Xu and Grant 1994

Sister taxa: none

Type specimens:

  • Paracrurithyris pigmaea: NIGP 43723
  • Crurithyris pusilla: K-0185. Its type locality is Gedingzhai, Renhua County, Changxing Fm, which is in a Changhsingian shallow subtidal limestone in the Changxing Formation of China.
  • Crurithyris tazawai: CM-13-1018, a valve. Its type locality is Majiashan, unit 13, which is in a Changhsingian deep-water mudstone in the Dalong Formation of China.

Ecology: stationary low-level epifaunal suspension feeder

Distribution:

• Triassic of China (14 collections)

• Permian of China (72), Iran (3), the Russian Federation (1)

Total: 90 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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