Phacopida

Coronocephalus ovatus

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

Telychian (Llandovery, Silurian)Hubei

Coronocephalus ovatus — photo 1 — Photo 1 · Type specimen figures (about 6.4 cm; Hubei; Wei Xin et al. 2020)

Classification

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

Genus

Coronocephalus Grabau, 1924

Genus author

Grabau A. W.

Genus etymology

coron (Latin, crown) + cephal- (Greek, head), referring to the crown-like border of the librigenae

Species

C. ovatus Zhang, 1974

Species author

Zhang Wentang

Species etymology

ovatus, Latin, ovate, possibly referring to the rounded-ovate anterior glabellar lobe

Age

Telychian (Llandovery, Silurian)

Distribution

Hubei

Diagnosis

Glabella nodose, anterior lobe large and rounded-ovate, sparsely nodose or smooth anteriorly; 3 pairs of glabellar furrows, S1 and S2 crossing the glabella, S3 shorter. Thorax of 11 segments, axial rings and pleurae with sparse nodes. Pygidium long-triangular; axis with more than 43 rings; pleural region with 14 narrow pleural furrows.