Asaphida

Seleneceme ziyangensis

Order Asaphida / Superfamily Trinucleoidea / Family Alsataspididae

Floian (Early Ordovician)Shaanxi
Seleneceme ziyangensis — photo 1
Photo 1 · Holotype Sh001-a (Shaanxi; Deng Sicheng et al. Restoration (Wang 1986) Jian) Literature specimen (Wang et al., 2023)
Seleneceme ziyangensis — photo 2
Photo 2 · Holotype Sh001-a (Shaanxi; Deng Sicheng et al. Restoration (Wang 1986) Jian) Literature specimen (Wang et al., 2023)
Seleneceme ziyangensis — photo 3
Photo 3 · Holotype Sh001-a (Shaanxi; Deng Sicheng et al. Restoration (Wang 1986) Jian) Literature specimen (Wang et al., 2023)
Classification
Order Asaphida / Superfamily Trinucleoidea / Family Alsataspididae
Genus
Seleneceme Clark, 1924
Genus author
Clark T. H.
Genus etymology
None
Species
S. ziyangensis (Deng & Zhao, 1986)
Species author
Deng Sicheng, Zhao Liancheng
Species etymology
Ziyang, Ziyang County, Shaanxi
Age
Floian (Early Ordovician)
Distribution
Shaanxi
Synonyms
Caputrotundum ziyangensis
Diagnosis
Compared with Seleneceme bashanense, there is a distinct triangular swelling in front of the glabella; other features are similar.