Corynexochida

Thoracocare minuta

Order Corynexochida / Suborder Corynexochina / Family Oryctocephalidae / Family Oryctocarinae

Cambrian, Miaolingian, WuliuanUSA

Thoracocare minuta — photo 1 — Photo 1 · USNM 188194 (USA; Robison et al., 1974) Holotype USNM 188551 (USA; Robison et al., 1974) (USA; Robison et al., 1974)

Thoracocare minuta — photo 2 — Photo 2 · USNM 188194 (USA; Robison et al., 1974) Holotype USNM 188551 (USA; Robison et al., 1974) (USA; Robison et al., 1974)

Thoracocare minuta — photo 3 — Photo 3 · USNM 188194 (USA; Robison et al., 1974) Holotype USNM 188551 (USA; Robison et al., 1974) (USA; Robison et al., 1974)

Classification

Order Corynexochida / Suborder Corynexochina / Family Oryctocephalidae / Family Oryctocarinae

Genus

Thoracocare Robison & Campbell, 1974

Genus author

Robison R. A. & Campbell D. P.

Genus etymology

thor-, thorax, Greek, thorax; acocare, from akeres, Greek, short; referring to the few thoracic segments

Species

T. minuta (Resser, 1939)

Species author

Resser C. E.

Species etymology

minuta, Latin, small

Age

Cambrian, Miaolingian, Wuliuan

Distribution

USA

Synonyms

Vistoia? minuta

Diagnosis

Small isopygous trilobite. Dorsal shield elliptical. Cephalon semicircular; glabella broad, subrectangular, extending to the cephalic margin, bluntly rounded anteriorly, without glabellar furrows; dorsal furrow narrow and shallow; palpebral lobe slender and long, widest at midlength. Thorax of only two segments; axis wider than the pleural lobes; pleural furrows broad and deep, pleural ribs pointed terminally. Pygidium semicircular; axial rings and pleural furrows both indistinct; without border.

Remarks

This species is the type species of Thoracocare.