Proetida

Opipeuterella inconniva

Order Proetida / Superfamily Bathyuroidea / Family Telephinidae

Floian (Early Ordovician)Spitsbergen, Ireland

Opipeuterella inconniva — photo 1 — Photo 1 · Holotype PMO NF 2062 (Spitsbergen; Fortey 1974) Restoration (Fortey 1974) Cranidium, pygidium and librigena specimens (Spitsbergen; Fortey 1974)

Opipeuterella inconniva — photo 2 — Photo 2 · Holotype PMO NF 2062 (Spitsbergen; Fortey 1974) Restoration (Fortey 1974) Cranidium, pygidium and librigena specimens (Spitsbergen; Fortey 1974)

Opipeuterella inconniva — photo 3 — Photo 3 · Holotype PMO NF 2062 (Spitsbergen; Fortey 1974) Restoration (Fortey 1974) Cranidium, pygidium and librigena specimens (Spitsbergen; Fortey 1974)

Classification

Order Proetida / Superfamily Bathyuroidea / Family Telephinidae

Genus

Opipeuterella Fortey, 2005

Genus author

Fortey R. A.

Genus etymology

opipeuter, Greek, one who gazes; -ella, a diminutive suffix

Species

O. inconniva (Fortey, 1974)

Species author

Fortey R. A.

Species etymology

inconniva, Latin, sleepless

Age

Floian (Early Ordovician)

Distribution

Spitsbergen, Ireland

Synonyms

Opipeuter inconnivus

Diagnosis

Glabella triangular, one pair of glabellar furrows visible; occipital ring of uniform width; eyes large, occupying nearly the whole cheeks; librigenal genal spines short. Thorax of 11 segments; axis wide; pleurae extremely narrow with wide deep pleural furrows, pleural ends pointed. Pygidium semicircular; axis of two rings plus a terminal piece, with a long axial spine; border medium-wide.

Remarks

This species is the type species of the genus Opipeuterella. The original genus name Opipeuter Fortey, 1974 was a junior homonym, replaced by Opipeuterella.