Physemataspis torulatus Evitt and Tripp 1977 (trilobite)

Trilobita - Phacopida - Encrinuridae

Alternative combinations: Encrinuroides torulatus, Frencrinuroides torulatus

Full reference: W. R. Evitt and R. P. Tripp. 1977. Silicified Middle Ordovician trilobites from the families Encrinuridae and Staurocephalidae. Palaeontographica Abteilung A 157:109-174

Belongs to Physemataspis according to D. K. Moss and S. R. Westrop 2014

See also Edgecombe and Chatterton 1990, Edgecombe et al. 1998 and Evitt and Tripp 1977

Sister taxa: Physemataspis (Physemataspis), Physemataspis (Prophysemataspis), Physemataspis coopi, Physemataspis insularis, Physemataspis mirabilis, Physemataspis tholus

Type specimen: USNM 217490, a cephalon/head (cranidium)

Ecology: fast-moving low-level epifaunal carnivore

Distribution: found only at Loc. 1a. Tumbling Run, 2 miles southwest of Strasburg (Ordovician of Virginia)

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Specimen images are retrieved through the ePANDDA API.


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