Hystricurus oculilunatus Ross 1951 (trilobite)

Trilobita - Proetida - Hystricuridae

Full reference: R. J., J.r. Ross. 1951. Stratigraphy of the Garden City Formation in northeastern Utah, and its trilobite faunas. Yale Peabody Museum of Natural History Bulletin 6:1-161

Belongs to Hystricurus according to R. J., Jr. Ross 1970

See also Ross 1951

Sister taxa: Hystricurus conicus, Hystricurus contractus, Hystricurus crassilimbatus, Hystricurus deflectus, Hystricurus elevatus, Hystricurus penchiensis, Hystricurus robustus, Hystricurus sulcatus, Hystricurus zanderi

Type specimen: YPM 17960, a cephalon/head (cranidium). Its type locality is Locality 6, Hillyard's Canyon, Zone "F", which is in a Stairsian shallow subtidal horizon in the Garden City Formation of Idaho.

Ecology: fast-moving low-level epifaunal deposit feeder


• Ordovician of Canada (13: Newfoundland, Newfoundland and Labrador collections), United States (6: Idaho, Utah)

• Canadian of Canada (2: Newfoundland)

• Tremadoc of Canada (1: Alberta)

• Ibexian of Canada (1: Newfoundland and Labrador), United States (1: Nevada)

Total: 24 collections including 25 occurrences

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Specimen images are retrieved through the ePANDDA API.

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