ammonites
Kawina arnoldi Whittington 1963 (trilobite)

Trilobita - Phacopida - Cheiruridae

Full reference: H. B. Whittington. 1963. Middle Ordovician trilobites from Lower Head, western Newfoundland. Bulletin of the Museum of Comparative Zoology 129(1):1-118

Belongs to Kawina according to H. B. Whittington 1963

Sister taxa: Kawina limbata, Kawina vulcanus, Kawina webbi, Kawina wilsoni

Type specimen: GSC 16268, an exoskeleton. Its type locality is Alpha Boulder, Table Head, which is in a Whiterockian reef, buildup or bioherm limestone in Canada.

Ecology: fast-moving low-level epifaunal carnivore