Asaphida

Neopsilocephalina sp.

Order Asaphida / Superfamily Cyclopygoidea / Family Nileidae

Floian (Early Ordovician) to Darriwilian (Middle Ordovician)Chongqing

Neopsilocephalina sp. — photo 1 — Photo 1 · Complete dorsal exoskeleton, 7 × 5 cm (Chongqing; Baishui)

Neopsilocephalina sp. — photo 2 — Photo 2 · Complete dorsal exoskeleton, 7 × 5 cm (Chongqing; Baishui)

Classification

Order Asaphida / Superfamily Cyclopygoidea / Family Nileidae

Genus

Neopsilocephalina Yin in Yin & Lee, 1978

Genus author

Yin Gongzheng

Genus etymology

neo-, Latin, new; Psilocephalina, a trilobite genus name

Species

Neopsilocephalina sp.

Species author

Species etymology

Age

Floian (Early Ordovician) to Darriwilian (Middle Ordovician)

Distribution

Chongqing

Diagnosis

Compared with Neopsilocephalina zunyiensis, this species has smaller palpebral lobes, wider posterior wings, indistinct occipital and posterior border furrows, and librigenae without genal spines.