Sphaerexochus hapsidotus Whittington and Evitt 1953 (trilobite)

Trilobita - Phacopida - Cheiruridae

Full reference: H. B. Whittington and W.R., I.I. Evitt. 1953. Silicified Middle Ordovician trilobites. Geological Society of America Memoir 59:1-139

Belongs to Sphaerexochus according to H. B. Whittington and W.R., II. Evitt 1953

Sister taxa: Sphaerexochus arenosis, Sphaerexochus arenosus, Sphaerexochus atacius, Sphaerexochus brandlyi, Sphaerexochus bridgei, Sphaerexochus britanicus, Sphaerexochus calvus, Sphaerexochus dimorphus, Sphaerexochus eurys, Sphaerexochus fibrisulcatus, Sphaerexochus glaber, Sphaerexochus hiratai, Sphaerexochus hisingeri, Sphaerexochus johnstoni, Sphaerexochus laciniatus, Sphaerexochus latifrons, Sphaerexochus molongloensis, Sphaerexochus parvus, Sphaerexochus planirachis, Sphaerexochus pulcher, Sphaerexochus romingeri, Sphaerexochus scabridus, Sphaerexochus tuberculatus, Sphaerexochus valcourensis

Type specimen: USNM 116551. Its type locality is Loc. 1. Tumbling Run, 2 miles southwest of Strasburg, which is in a Blackriveran carbonate limestone in the Lincolnshire Limestone Formation of Virginia.

Ecology: fast-moving low-level epifaunal carnivore

Distribution: found only at Loc. 1. Tumbling Run, 2 miles southwest of Strasburg

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