Asaphida

Paracoosia asiatica

Order Asaphida / Superfamily Anomocaroidea / Family Anomocaridae

Guzhangian (Miaolingian, Cambrian)Yunnan; Vietnam

Paracoosia asiatica — photo 1 — Photo 1 · Lectotype (Vietnam; Peng et al., 2004) Literature specimen (Yunnan; Peng et al., Complete dorsal exoskeleton 2020) (Yunnan; Xuanling) Nearly complete dorsal Complete dorsal exoskeleton exoskeleton (Yunnan; Wuxing) (Yunnan; Jianxiang sean)

Paracoosia asiatica — photo 2 — Photo 2 · Lectotype (Vietnam; Peng et al., 2004) Literature specimen (Yunnan; Peng et al., Complete dorsal exoskeleton 2020) (Yunnan; Xuanling) Nearly complete dorsal Complete dorsal exoskeleton exoskeleton (Yunnan; Wuxing) (Yunnan; Jianxiang sean)

Paracoosia asiatica — photo 3 — Photo 3 · Lectotype (Vietnam; Peng et al., 2004) Literature specimen (Yunnan; Peng et al., Complete dorsal exoskeleton 2020) (Yunnan; Xuanling) Nearly complete dorsal Complete dorsal exoskeleton exoskeleton (Yunnan; Wuxing) (Yunnan; Jianxiang sean)

Paracoosia asiatica — photo 4 — Photo 4 · Lectotype (Vietnam; Peng et al., 2004) Literature specimen (Yunnan; Peng et al., Complete dorsal exoskeleton 2020) (Yunnan; Xuanling) Nearly complete dorsal Complete dorsal exoskeleton exoskeleton (Yunnan; Wuxing) (Yunnan; Jianxiang sean)

Paracoosia asiatica — photo 5 — Photo 5 · Lectotype (Vietnam; Peng et al., 2004) Literature specimen (Yunnan; Peng et al., Complete dorsal exoskeleton 2020) (Yunnan; Xuanling) Nearly complete dorsal Complete dorsal exoskeleton exoskeleton (Yunnan; Wuxing) (Yunnan; Jianxiang sean)

Classification

Order Asaphida / Superfamily Anomocaroidea / Family Anomocaridae

Genus

Paracoosia Kobayashi, 1936

Genus author

Kobayashi T.

Genus etymology

para-, Greek, near, similar to; Coosia, a trilobite genus name

Species

Paracoosia asiatica (Mansuy, 1916)

Species author

Mansuy H.

Species etymology

Asia

Age

Guzhangian (Miaolingian, Cambrian)

Distribution

Yunnan; Vietnam

Synonyms

Coosia asiatica; Paracoosia mansuyi

Diagnosis

Cranidium large with extremely wide anterior margin; glabella short, subtriangular, glabellar furrows shallow; palpebral lobes long, exceeding half the glabellar length; librigenae wide with short, stout genal spines. Thorax of 8 segments; pleurae wider than the axis; pleural furrows distinct. Pygidium subovate; axis short and narrow; pleural region wide and flat with rather shallow pleural furrows; border extremely wide and flat.

Remarks

This species is the type species of the genus Paracoosia.