Asaphida

Globampyx sexsegmentatus

Order Asaphida / Superfamily Trinucleoidea / Family Raphiophoridae

Floian (Early Ordovician)USA

Globampyx sexsegmentatus — photo 1 — Photo 1 · Droser M. L. Type specimen figures, 2 is the holotype LACMIP 42370.8 (USA; Fortey et al., 2024)

Classification

Order Asaphida / Superfamily Trinucleoidea / Family Raphiophoridae

Genus

Globampyx Fortey, 1975

Genus author

Fortey R. A.

Genus etymology

glob-, globosa, Latin, globular; Ampyx, a trilobite genus name

Species

G. sexsegmentatus Fortey, Vargas-Parra & Droser, 2024

Species author

Fortey R. A., Vargas-Parra E. E. &

Species etymology

sex-, Latin, six; segmentatus, segmented. Referring to the six thoracic segments.

Age

Floian (Early Ordovician)

Distribution

USA

Diagnosis

A small trilobite. Cephalon semi-elliptical; glabella ovate, without an anterior median spine; fixigenae wide; eyes absent; librigenal genal spines very long. Thorax of 6 segments; axis slightly narrower than pleurae; pleurae straight, pleural furrows wide, pleural spines absent. Pygidium wide, semi-elliptical.