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Arachnolasma
Taxonomy
Arachnolasma was named by Grabau (1922) [Sepkoski's age data: D Fame-u C Serp-u Sepkoski's reference number: 163,680]. It is not extant.
It was assigned to Aulophyllinae by Hill (1956); to Dibunophyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Aulophyllinae by Hill (1956); to Dibunophyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Arachnolasma Grabau 1922
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
Reference: Kiessling 2004 |
Age range: base of the Brigantian to the top of the Sakmarian or 336.00000 to 290.10000 Ma
Collections (37 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Jiusian | China (Guangdong) | A. simplex (55697) | |
Visean | China (Guizhou) | A. sp., A. irregulare (191256) | |
Visean | China | A. sp. (234668) | |
Asbian - Brigantian | Morocco | A. cylindricum (134863 134932 228328) | |
Brigantian | Morocco | A. sp. (79393 79396 79399 79404 79405) | |
Brigantian | Spain (Andalucia) | A. sinense (79117) | |
Brigantian | China (Xinjiang) | A. cylindricum (195863) A. cylindricum, A. sinense, A. paucicolumellata (195848) A. cylindricum, A. sinense, A. paucicolumellata, A. irregulare, A. sp. (195864) | |
Brigantian | China (Guizhou) | A. sinense (134689 134690 134694) | |
Brigantian - Serpukhovian | Russian Federation | A. sp. (78798) | |
Serpukhovian | Algeria | A. sp. (135339) | |
Serpukhovian | Morocco | A. cylindrica (234350 234562) A. cylindrica, A. sinense (234370) A. dibunophylloides, A. cylindrica, A. sinense (234568) A. sinense (234361) A. sp. (234423) | |
Serpukhovian | China | A. sp. (234676) | |
Serpukhovian | Japan | A. cylindricum, A. ichinotaniense (49720) | |
Serpukhovian | China (Guizhou) | A. sinense (134712 134713) | |
Serpukhovian - Bashkirian | Morocco | A. sp. (234375) | |
Bashkirian | China (Xinjiang) | A. sp. (234333) | |
Bashkirian | Morocco | A. sp. (224690 224723 234424) | |
Sakmarian | Laos | A. sp. 1 (125024) | |
Sakmarian | Vietnam | A. sp. 2 (125027) |