Corynexochida

Dinesus bura

Order Corynexochida / Suborder Corynexochina / Family Dinesidae

Cambrian, Series 2, Stage 4Anhui, Hunan, Guizhou

Dinesus bura — photo 1 — Photo 1 · Holotype HIT0060 (Anhui; Qiu Hongan 1980) Cranidium reconstruction (Lei Qianping 2016) Figured specimen (Guizhou; Zhu Xuejian et al., 2009) Co-occurring with Oryctocarella duyunensis (Hunan; Guodong) Figured specimen (Hunan; Lei Qianping 2016)

Dinesus bura — photo 2 — Photo 2 · Holotype HIT0060 (Anhui; Qiu Hongan 1980) Cranidium reconstruction (Lei Qianping 2016) Figured specimen (Guizhou; Zhu Xuejian et al., 2009) Co-occurring with Oryctocarella duyunensis (Hunan; Guodong) Figured specimen (Hunan; Lei Qianping 2016)

Dinesus bura — photo 3 — Photo 3 · Holotype HIT0060 (Anhui; Qiu Hongan 1980) Cranidium reconstruction (Lei Qianping 2016) Figured specimen (Guizhou; Zhu Xuejian et al., 2009) Co-occurring with Oryctocarella duyunensis (Hunan; Guodong) Figured specimen (Hunan; Lei Qianping 2016)

Dinesus bura — photo 4 — Photo 4 · Holotype HIT0060 (Anhui; Qiu Hongan 1980) Cranidium reconstruction (Lei Qianping 2016) Figured specimen (Guizhou; Zhu Xuejian et al., 2009) Co-occurring with Oryctocarella duyunensis (Hunan; Guodong) Figured specimen (Hunan; Lei Qianping 2016)

Dinesus bura — photo 5 — Photo 5 · Holotype HIT0060 (Anhui; Qiu Hongan 1980) Cranidium reconstruction (Lei Qianping 2016) Figured specimen (Guizhou; Zhu Xuejian et al., 2009) Co-occurring with Oryctocarella duyunensis (Hunan; Guodong) Figured specimen (Hunan; Lei Qianping 2016)

Dinesus bura — photo 6 — Photo 6 · Holotype HIT0060 (Anhui; Qiu Hongan 1980) Cranidium reconstruction (Lei Qianping 2016) Figured specimen (Guizhou; Zhu Xuejian et al., 2009) Co-occurring with Oryctocarella duyunensis (Hunan; Guodong) Figured specimen (Hunan; Lei Qianping 2016)

Classification

Order Corynexochida / Suborder Corynexochina / Family Dinesidae

Genus

Dinesus Etheridge, 1896

Genus author

Etheridge R.

Genus etymology

di-, Greek, two, double; nes-, Greek, island

Species

D. bura (Qiu, 1980)

Species author

Qiu Hongan

Species etymology

Unknown

Age

Cambrian, Series 2, Stage 4

Distribution

Anhui, Hunan, Guizhou

Synonyms

Tingyuania bura; Dinesus panxinicus

Diagnosis

Cranidial surface densely tuberculate; outer border ridge-like; glabella elongate-columnar, strongly convex, rounded anteriorly, only S1 developed, the other glabellar furrows obsolete; occipital furrow straight, occipital ring with a stout occipital spine extending upward and backward from its rear; preglabellar field narrow; palpebral lobe long, situated at midlength of the cranidium; eye ridge weak; posterior border with two pairs of intergenal spines, the inner pair stouter, the outer pair slenderer; free cheek of moderate width, border furrow broad, genal spine short. Thorax of 11 segments, axis nearly as wide as the pleural lobes; pleural furrows broad and deep, pleural spines short. Pygidium small, subrhomboidal.