Phacopida

Aegrotocatellus nankerphelgeorum

Order Phacopida / Suborder Cheirurina / Superfamily Cheiruroidea / Family Encrinuridae / Subfamily Encrinurinae

Ludfordian (Ludlow, Silurian)Canadian Arctic

Aegrotocatellus nankerphelgeorum — photo 1 — Photo 1 · Holotype UA 9857 (Canadian Arctic; Adrain et al., 1995) (Canadian Arctic; Adrain et al., 1995)

Aegrotocatellus nankerphelgeorum — photo 2 — Photo 2 · Holotype UA 9857 (Canadian Arctic; Adrain et al., 1995) (Canadian Arctic; Adrain et al., 1995)

Classification

Order Phacopida / Suborder Cheirurina / Superfamily Cheiruroidea / Family Encrinuridae / Subfamily Encrinurinae

Genus

Aegrotocatellus Adrain & Edgecombe, 1995

Genus author

Adrain J. M. & Edgecombe G. D.

Genus etymology

aegrot-, aegrotus, Latin, weak, sick; catellus, a puppy. Describing the distinctive morphology of this genus.

Species

A. nankerphelgeorum Adrain & Edgecombe, 1995

Species author

Adrain J. M. & Edgecombe G. D.

Species etymology

Nanker-Phelge, the pseudonym jointly used by the core members of the Rolling Stones, Mick Jagger and Keith Richards, in their early work

Age

Ludfordian (Ludlow, Silurian)

Distribution

Canadian Arctic

Diagnosis

Compared with the type species Aegrotocatellus jaggeri: the glabella is relatively smaller with larger nodes, some specialised into conical spines; librigenal border node-spines well developed; thoracic axis and pleurae with better-developed nodes.