Corynexochida

Dorypyge manchuriensis

Order Corynexochida / Suborder Corynexochina / Family Dorypygidae

Cambrian, Miaolingian, DrumianLiaoning, Shandong

Dorypyge manchuriensis — photo 1 — Photo 1 · USNM86806a (Liaoning; Zhang et al., 1987) Reconstruction (Han Nairen Complete dorsal shield (Liaoning; Han 1984) Nairen 1984) Figured specimen (Liaoning; Han Nairen Complete dorsal 1984) shield, part and counterpart (Liaoning; Yumu)

Dorypyge manchuriensis — photo 2 — Photo 2 · USNM86806a (Liaoning; Zhang et al., 1987) Reconstruction (Han Nairen Complete dorsal shield (Liaoning; Han 1984) Nairen 1984) Figured specimen (Liaoning; Han Nairen Complete dorsal 1984) shield, part and counterpart (Liaoning; Yumu)

Dorypyge manchuriensis — photo 3 — Photo 3 · USNM86806a (Liaoning; Zhang et al., 1987) Reconstruction (Han Nairen Complete dorsal shield (Liaoning; Han 1984) Nairen 1984) Figured specimen (Liaoning; Han Nairen Complete dorsal 1984) shield, part and counterpart (Liaoning; Yumu)

Dorypyge manchuriensis — photo 4 — Photo 4 · USNM86806a (Liaoning; Zhang et al., 1987) Reconstruction (Han Nairen Complete dorsal shield (Liaoning; Han 1984) Nairen 1984) Figured specimen (Liaoning; Han Nairen Complete dorsal 1984) shield, part and counterpart (Liaoning; Yumu)

Dorypyge manchuriensis — photo 5 — Photo 5 · USNM86806a (Liaoning; Zhang et al., 1987) Reconstruction (Han Nairen Complete dorsal shield (Liaoning; Han 1984) Nairen 1984) Figured specimen (Liaoning; Han Nairen Complete dorsal 1984) shield, part and counterpart (Liaoning; Yumu)

Dorypyge manchuriensis — photo 6 — Photo 6 · USNM86806a (Liaoning; Zhang et al., 1987) Reconstruction (Han Nairen Complete dorsal shield (Liaoning; Han 1984) Nairen 1984) Figured specimen (Liaoning; Han Nairen Complete dorsal 1984) shield, part and counterpart (Liaoning; Yumu)

Dorypyge manchuriensis — photo 7 — Photo 7 · USNM86806a (Liaoning; Zhang et al., 1987) Reconstruction (Han Nairen Complete dorsal shield (Liaoning; Han 1984) Nairen 1984) Figured specimen (Liaoning; Han Nairen Complete dorsal 1984) shield, part and counterpart (Liaoning; Yumu)

Classification

Order Corynexochida / Suborder Corynexochina / Family Dorypygidae

Genus

Dorypyge Dames, 1883

Genus author

Dames W.

Genus etymology

dory-, Greek, spear; pyg-, Greek, tail

Species

D. manchuriensis Resser & Endo in Kobayashi, 1935

Species author

Resser C. E. & Endo R

Species etymology

Manchuri, from Manchuria, the former name for Northeast China

Age

Cambrian, Miaolingian, Drumian

Distribution

Liaoning, Shandong

Synonyms

Dorypyge fuzhouwanensis

Diagnosis

Surface sparsely tuberculate. Cephalon nearly semicircular; glabella moderately convex, sides nearly parallel; all three pairs of glabellar furrows extremely shallow; fixed cheek of medium width; palpebral lobe small; free cheek narrow, genal spine Of moderate length; With occipital spine. Thorax of 7 segments, each with axial spine; Axis narrower than pleural region; Pleural furrow broad and deep, distal end of pleural segment abruptly changing into a short spine. Pygidium semicircular; Pygidial axis of four rings plus of moderate length; occipital spine present. Thorax of 7 segments, each with an axial spine; axis narrower than the pleurae; pleural furrows broad and deep, the outer ends of the pleural ribs abruptly turning into short spines. Pygidium semicircular; axis of 4 rings plus a terminal piece; pleural ridges distinct; with 6 pairs of marginal spines, the anterior four pairs short and small, the fifth pair longer, each marginal spine with a groove along its middle.