Ptychopariida

Diceratocephalus cornutus

Order Ptychopariida / Suborder Ptychopariina / Superfamily Ptychoparioidea / Family Diceratocephalidae

Guzhangian (Miaolingian, Cambrian)Liaoning, Shandong; Korea
Diceratocephalus cornutus — photo 1
Photo 1 · Type specimen (Liaoning; Peng 2020) Restoration of enrolled form (Park et al., 2010) Cephalon (Shandong; Destiny) Cephalon (Shandong; Y.W) Cephalon and pygidium figures (Liaoning; Peng 2020) Figures of silicified specimens after hydrochloric acid treatment (Korea; Park et al., 2010)
Diceratocephalus cornutus — photo 2
Photo 2 · Type specimen (Liaoning; Peng 2020) Restoration of enrolled form (Park et al., 2010) Cephalon (Shandong; Destiny) Cephalon (Shandong; Y.W) Cephalon and pygidium figures (Liaoning; Peng 2020) Figures of silicified specimens after hydrochloric acid treatment (Korea; Park et al., 2010)
Diceratocephalus cornutus — photo 3
Photo 3 · Type specimen (Liaoning; Peng 2020) Restoration of enrolled form (Park et al., 2010) Cephalon (Shandong; Destiny) Cephalon (Shandong; Y.W) Cephalon and pygidium figures (Liaoning; Peng 2020) Figures of silicified specimens after hydrochloric acid treatment (Korea; Park et al., 2010)
Diceratocephalus cornutus — photo 4
Photo 4 · Type specimen (Liaoning; Peng 2020) Restoration of enrolled form (Park et al., 2010) Cephalon (Shandong; Destiny) Cephalon (Shandong; Y.W) Cephalon and pygidium figures (Liaoning; Peng 2020) Figures of silicified specimens after hydrochloric acid treatment (Korea; Park et al., 2010)
Diceratocephalus cornutus — photo 5
Photo 5 · Type specimen (Liaoning; Peng 2020) Restoration of enrolled form (Park et al., 2010) Cephalon (Shandong; Destiny) Cephalon (Shandong; Y.W) Cephalon and pygidium figures (Liaoning; Peng 2020) Figures of silicified specimens after hydrochloric acid treatment (Korea; Park et al., 2010)
Diceratocephalus cornutus — photo 6
Photo 6 · Type specimen (Liaoning; Peng 2020) Restoration of enrolled form (Park et al., 2010) Cephalon (Shandong; Destiny) Cephalon (Shandong; Y.W) Cephalon and pygidium figures (Liaoning; Peng 2020) Figures of silicified specimens after hydrochloric acid treatment (Korea; Park et al., 2010)
Classification
Order Ptychopariida / Suborder Ptychopariina / Superfamily Ptychoparioidea / Family Diceratocephalidae
Genus
Diceratocephalus Lu, 1954
Genus author
Lu Yanhao
Genus etymology
di, double; cerato-, horn; -cephalus, head
Species
D. cornutus (Endo in Resser & Endo, 1937)
Species author
Resser C. E. & Endo R
Species etymology
cornutus, horned
Age
Guzhangian (Miaolingian, Cambrian)
Distribution
Liaoning, Shandong; Korea
Synonyms
Blackwelderia ? cornuta; Diceratocephalus armatus; D. latifrons; D. ezhuangensis; D. dongyushanensis; D. spinosus; D. angustilimbatus
Diagnosis
A pair of stout, horn-shaped anterior spines projects forward from in front of the eyes of the cranidium; glabella truncate-conical with one pair of glabellar furrows; palpebral lobes extremely small; eye ridges long and faint; a long spine projects backward from the middle of the occipital ring. Pygidium transversely wide; axis with two axial rings and a terminal piece; border wide with ridged anterior and posterior margins, posterior margin slightly concave.
Remarks
This species is the type species of the genus Diceratocephalus.