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Shandongochara
Classification
Phylum:
Charophyta
Class:
Charophyceae
Order:
Charales
Superfamily:
Unknown
Family:
Characeae
Formal Genus Name and Reference:
Shandongochara Xinlun in Wang Shui & OTHERS, 1978, p. 46
Type Species:
S. decorosa Xinlun in Wang Shui & OTHERS, 1978, p. 46, pl. 21, 1-7, pl. 22, 1-2, pl. 23, 2, OD, lectotype, NIGP 390133, pl. 21, $1 a-c$, designated Feist & Grambast-Fessard herein
Images
(Click to enlarge in a new window)
Fig. 75,2a-e. *S. decorosa Xinlun, a, lectotype, lateral view, b, lateral view, c, basal view, d, apical view, x34, e, longitudinal section, basal part, x68 (Wang Shui & others, 1978, pl. 21,1b,2b,2c,2a,6a)
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Paleogene (Oligocene)
Beginning International Stage:
Rupelian
Fraction Up In Beginning Stage:
0
Beginning Date:
33.9
Ending Stage in Treatise Usage:
Paleogene (Oligocene)
Ending International Stage:
Chattian
Fraction Up In Ending Stage:
0
Ending Date:
23.04
Description
Apex psilocharoid, with distinct periapical narrowing and thinning, apical ends of spirals slightly pointed in center, without nodules. General shape prolatespheroidal to prolate, apex nearly flat to broadly conical, base truncated. Spirals flat to slightly convex with elongated, tumorlike decorations. Basal plate nearly twice as wide as thick, visible from exterior. Size large.
References
Museum or Author Information
Classification
Phylum:
Charophyta
Class:
Charophyceae
Order:
Charales
Superfamily:
Unknown
Family:
Characeae
Formal Genus Name and Reference:
Shandongochara Xinlun in Wang Shui & OTHERS, 1978, p. 46
Type Species:
S. decorosa Xinlun in Wang Shui & OTHERS, 1978, p. 46, pl. 21, 1-7, pl. 22, 1-2, pl. 23, 2, OD, lectotype, NIGP 390133, pl. 21, $1 a-c$, designated Feist & Grambast-Fessard herein
Images
(Click to enlarge in a new window)
Fig. 75,2a-e. *S. decorosa Xinlun, a, lectotype, lateral view, b, lateral view, c, basal view, d, apical view, x34, e, longitudinal section, basal part, x68 (Wang Shui & others, 1978, pl. 21,1b,2b,2c,2a,6a)
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Paleogene (Oligocene)
Beginning International Stage:
Rupelian
Fraction Up In Beginning Stage:
0
Beginning Date:
33.9
Ending Stage in Treatise Usage:
Paleogene (Oligocene)
Ending International Stage:
Chattian
Fraction Up In Ending Stage:
0
Ending Date:
23.04
Description
Apex psilocharoid, with distinct periapical narrowing and thinning, apical ends of spirals slightly pointed in center, without nodules. General shape prolatespheroidal to prolate, apex nearly flat to broadly conical, base truncated. Spirals flat to slightly convex with elongated, tumorlike decorations. Basal plate nearly twice as wide as thick, visible from exterior. Size large.