Phacopida

Coronocephalus (Senticucullus) elegans

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

Telychian (Llandovery, Silurian)Jiangxi

Coronocephalus (Senticucullus) elegans — photo 1 — Photo 1 · (Senticucullus)) Xia, 1974 Type specimen figures (Jiangxi; Zhang 1983) Pygidium figures (Jiangxi; Zhang 1983)

Coronocephalus (Senticucullus) elegans — photo 2 — Photo 2 · (Senticucullus)) Xia, 1974 Type specimen figures (Jiangxi; Zhang 1983) Pygidium figures (Jiangxi; Zhang 1983)

Classification

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

Genus

Coronocephalus, subgenus Senticucullus (Coronocephalus

Genus author

Xia Shufang

Genus etymology

sent (Latin, spine) + cucullus (Latin, hood), meaning as if wearing a spiny hood

Species

C. (S.) elegans Xia, 1974

Species author

Xia Shufang

Species etymology

elegans, Latin, elegant, graceful

Age

Telychian (Llandovery, Silurian)

Distribution

Jiangxi

Synonyms

Senticucullus elegans

Diagnosis

Dorsal shield somewhat circular. Anterior glabellar lobe strongly expanded, constricted medially; three pairs of glabellar furrows, S1 and S2 crossing the glabella; centre and posterior part of the anterior glabellar lobe with fine, irregularly arranged granular nodes, the rest of the body and both cheeks smooth and spineless; coarse spines along the anterior and lateral margins of the cephalon, arranged symmetrically. Thorax of 11 segments; pleural ends with coarse pleural spines. Pygidium triangular; axis with more than 45 rings; pleural segments 14-16, ends with stout marginal spines.

Remarks

This species is the type species of the subgenus Coronocephalus (Senticucullus).