Orthothetina eusarkos Abich 1878 (lamp shell)

Strophomenata - Orthotetida - Meekellidae

Alternative combinations: Orthotetes eusarcos, Streptorhynchus eusarkos

Synonyms: Orthotetes armeniacus Arthaber 1900, Orthothetina armeniaca Arthaber 1900, Streptorhynchus crenistria incurvus Abich 1878

Full reference: H. Abich. 1878. Geologische Forschungen in den Kaukasischen Ländern. I Theil. Eine Bergkalkfauna aus der Araxesenge bei Djoulfa in Armenien 1-126

Belongs to Orthothetina according to A. Ghaderi et al. 2015

See also Abich 1878, Arthaber 1900, Fantini Sestini 1965, Frech 1911, Hayasaka 1922 and Sokolskaja 1965

Sister taxa: Orthothetina azarjani, Orthothetina caojiayingensis, Orthothetina convergens, Orthothetina curvata, Orthothetina deminuta, Orthothetina dzhulfensis, Orthothetina ellipsoides, Orthothetina elongata, Orthothetina emaciatus, Orthothetina frechi, Orthothetina gigantea, Orthothetina hayasakai, Orthothetina iljinae, Orthothetina kayseri, Orthothetina ladina, Orthothetina leei, Orthothetina mianzhuensis, Orthothetina neilsoni, Orthothetina peregrina, Orthothetina persica, Orthothetina planoconvexa, Orthothetina polita, Orthothetina regularis, Orthothetina ruber, Orthothetina ruchae, Orthothetina shuangtangensis, Orthothetina sokolskajae, Orthothetina thomasi, Orthothetina transversa, Orthothetina triangularis, Orthothetina vediensis, Orthothetina yanziyanensis, Orthothetina yishanensis, Orthothetina yuananensis, Orthothetina zhejiangensis

Type specimens:

  • Orthothetina eusarkos: Its type locality is Araxes Gorge, which is in a Wuchiapingian carbonate limestone in Azerbaijan
  • Orthotetes armeniacus:
  • Streptorhynchus crenistria incurvus:

Ecology: stationary low-level epifaunal suspension feeder

Distribution:

• Permian to Triassic of India (1 collection)

• Permian of Armenia (1), Azerbaijan (6), China (6), Iran (12), Japan (1)

Total: 27 collections including 28 occurrences

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Specimen images are retrieved through the ePANDDA API.


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