Phacopida

Echinophacops mirabilis

Order Phacopida / Suborder Phacopina / Superfamily Phacopoidea / Family Phacopidae

Emsian (Early Devonian)Inner Mongolia

Echinophacops mirabilis — photo 1 — Photo 1 · margin Holotype Tr226 and its sketch (Inner Mongolia; Zhou Zhiqiang 1983) Specimen Tr231, ventral, dorsal and lateral views of the pygidium (Inner Mongolia; Zhou Zhiqiang 1983) Restoration (illustrated by hp) Literature specimen (Inner Mongolia; Zhou et al., 1990)

Echinophacops mirabilis — photo 2 — Photo 2 · margin Holotype Tr226 and its sketch (Inner Mongolia; Zhou Zhiqiang 1983) Specimen Tr231, ventral, dorsal and lateral views of the pygidium (Inner Mongolia; Zhou Zhiqiang 1983) Restoration (illustrated by hp) Literature specimen (Inner Mongolia; Zhou et al., 1990)

Echinophacops mirabilis — photo 3 — Photo 3 · margin Holotype Tr226 and its sketch (Inner Mongolia; Zhou Zhiqiang 1983) Specimen Tr231, ventral, dorsal and lateral views of the pygidium (Inner Mongolia; Zhou Zhiqiang 1983) Restoration (illustrated by hp) Literature specimen (Inner Mongolia; Zhou et al., 1990)

Echinophacops mirabilis — photo 4 — Photo 4 · margin Holotype Tr226 and its sketch (Inner Mongolia; Zhou Zhiqiang 1983) Specimen Tr231, ventral, dorsal and lateral views of the pygidium (Inner Mongolia; Zhou Zhiqiang 1983) Restoration (illustrated by hp) Literature specimen (Inner Mongolia; Zhou et al., 1990)

Echinophacops mirabilis — photo 5 — Photo 5 · margin Holotype Tr226 and its sketch (Inner Mongolia; Zhou Zhiqiang 1983) Specimen Tr231, ventral, dorsal and lateral views of the pygidium (Inner Mongolia; Zhou Zhiqiang 1983) Restoration (illustrated by hp) Literature specimen (Inner Mongolia; Zhou et al., 1990)

Classification

Order Phacopida / Suborder Phacopina / Superfamily Phacopoidea / Family Phacopidae

Genus

Echinophacops Zhou, 1983

Genus author

Zhou Zhiqiang

Genus etymology

echin-, echinatus, spiny; Phacops, a trilobite genus name, referring to the row of cephalic spines on the outer

Species

E. mirabilis Zhou, 1983

Species author

Zhou Zhiqiang

Species etymology

mirabilis, Latin, marvellous

Age

Emsian (Early Devonian)

Distribution

Inner Mongolia

Diagnosis

Cephalon semi-elliptical, surface nodose, border with a row of 17 cephalic spines; glabella inflated forward, anterior border absent; anterior occipital ring undeveloped; schizochroal eyes composed of 70-96 lenses Pygidium large and long; axis of 11-12 rings; outer margin with wavy marginal spines.

Remarks

This species is the type species of the genus Echinophacops.