Benthamaspis conica Fortey 1979 (trilobite)

Trilobita - Proetida - Bathyuridae

Synonyms: Benthamaspis hintzei Boyce 1989, Benthamaspis obrepta Lochman 1966, Oculomagnus obreptus Lochman 1966

Full reference: R. A. Fortey. 1979. Early Ordovician trilobites from the Catoche Formation (St. George Group), western Newfoundland. Geological Survey of Canada Bulletin 321:61-114

Belongs to Benthamaspis according to R. A. Fortey 1979

See also Dean 1989 and Fortey and Bruton 2013

Sister taxa: Benthamaspis canadensis, Benthamaspis diminutiva, Benthamaspis gibberula, Benthamaspis mediacrista, Benthamaspis onomeris, Benthamaspis problematica, Benthamaspis rhochmotis, Benthamaspis sera, Benthamaspis striata

Type specimens:

  • Benthamaspis conica: GSC 56873, a cephalon/head (cranidium). Its type locality is Catoche Formation type section, which is in a Cassinian open shallow subtidal limestone/dolomite in the Catoche Formation of Canada.
  • Benthamaspis hintzei: NFM F-175, a pygidium. Its type locality is BH-95A-114, which is in a Cassinian peritidal lime mudstone/wackestone in the Catoche Formation of Canada.
  • Oculomagnus obreptus: YPM 18201, a cephalon/head (cranidium).

Ecology: fast-moving low-level epifaunal deposit feeder

Distribution:

• Ordovician of Canada (8: Newfoundland, Newfoundland and Labrador collections), Norway (2)

• Cassinian of Canada (5: Newfoundland, Newfoundland and Labrador)

• Jeffersonian of Canada (1: Newfoundland)

Total: 16 collections including 19 occurrences

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Specimen images are retrieved through the ePANDDA API.


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