Asaphida

Niobe yangtzeensis

Order Asaphida / Superfamily Asaphoidea / Family Asaphidae

Dapingian (Middle Ordovician)Hubei, Shaanxi, Xinjiang

Niobe yangtzeensis — photo 1 — Photo 1 · committed suicide because of her hubris, and who herself was turned to stone Holotype NIGPAS 16418 (Hubei; Lu Yanhao 1975) Complete dorsal exoskeleton BGEG-HCY-01 (Hubei; Du et al., 2023) (Xinjiang; Zhou et al., 1998) Pygidium and hypostome specimens (Shaanxi; Turvey 2007) (Hubei; Du et al., 2023)

Niobe yangtzeensis — photo 2 — Photo 2 · committed suicide because of her hubris, and who herself was turned to stone Holotype NIGPAS 16418 (Hubei; Lu Yanhao 1975) Complete dorsal exoskeleton BGEG-HCY-01 (Hubei; Du et al., 2023) (Xinjiang; Zhou et al., 1998) Pygidium and hypostome specimens (Shaanxi; Turvey 2007) (Hubei; Du et al., 2023)

Niobe yangtzeensis — photo 3 — Photo 3 · committed suicide because of her hubris, and who herself was turned to stone Holotype NIGPAS 16418 (Hubei; Lu Yanhao 1975) Complete dorsal exoskeleton BGEG-HCY-01 (Hubei; Du et al., 2023) (Xinjiang; Zhou et al., 1998) Pygidium and hypostome specimens (Shaanxi; Turvey 2007) (Hubei; Du et al., 2023)

Niobe yangtzeensis — photo 4 — Photo 4 · committed suicide because of her hubris, and who herself was turned to stone Holotype NIGPAS 16418 (Hubei; Lu Yanhao 1975) Complete dorsal exoskeleton BGEG-HCY-01 (Hubei; Du et al., 2023) (Xinjiang; Zhou et al., 1998) Pygidium and hypostome specimens (Shaanxi; Turvey 2007) (Hubei; Du et al., 2023)

Niobe yangtzeensis — photo 5 — Photo 5 · committed suicide because of her hubris, and who herself was turned to stone Holotype NIGPAS 16418 (Hubei; Lu Yanhao 1975) Complete dorsal exoskeleton BGEG-HCY-01 (Hubei; Du et al., 2023) (Xinjiang; Zhou et al., 1998) Pygidium and hypostome specimens (Shaanxi; Turvey 2007) (Hubei; Du et al., 2023)

Classification

Order Asaphida / Superfamily Asaphoidea / Family Asaphidae

Genus

Niobe Angelin, 1854

Genus author

Angelin N. P.

Genus etymology

Niobe, in Greek mythology the daughter of Tantalus, a tragic figure whose children were killed and husband

Species

N. yangtzeensis Lu, 1975

Species author

Lu Yanhao

Species etymology

Yangtze, Yichang, Hubei, in the Yangtze region

Age

Dapingian (Middle Ordovician)

Distribution

Hubei, Shaanxi, Xinjiang

Synonyms

Gog yangtzeensis

Diagnosis

Cephalon subsemicircular; glabella long with four pairs of faint glabellar furrows; a pair of long lateral lobes at the glabellar base; eyes small; librigenae wide with bluntly rounded, spineless genal angles. Thorax of 8 segments; pleural furrows narrow and deep, pleural spines absent. Pygidium subsemicircular; axis with six rings plus a terminal piece, the first two ring furrows straight and the rest M-shaped; pleural region with six pairs of pleural ribs and deep pleural furrows; border wide.