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Amsassia
Taxonomy
Amsassia was named by Sokolov and Mironova (1959) [Sepkoski's age data: O Cara-m O Ashg-m Sepkoski's reference number: 160]. It is not extant.
It was assigned to Cryptolichenariidae by Hill (1981); and to Tabulospongida by Sepkoski (2002).
It was assigned to Cryptolichenariidae by Hill (1981); and to Tabulospongida by Sepkoski (2002).
Species
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. †Amsassia Sokolov and Mironova 1959
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†Amsassia cloudi Sando 1957
†Amsassia simplex Rigby and Hintze 1977
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Whittington et al. 1997, Kiessling 2004 | |||||
Age range: base of the Tremadocian to the top of the Katian or 486.85000 to 445.20000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadocian | Argentina | A. argentina (8880) | |
| Tremadocian | Canada (Newfoundland and Labrador) | Lichenaria sp. (80769) | |
| Soudleyan - Marshbrookian | China (GanSu) | A. sp. (8561) | |
| Sandbian | Kazakhstan | A. sp. (80224) | |
| Caradoc | China (Gansu) | A. sp. (23590) | |
| Caradoc | China (GanSu) | A. sp. (8565) | |
| Caradoc | Russian Federation | A. raduguini, A. falsa, A. princeps (78801) A. raduguini, A. princeps, A. falsa (78800) | |
| Soudleyan - Onnian | China (GanSu) | A. sp. (8547) | |
| Chatfieldian - Edenian | Canada (Nunavut) | A. floweri (192339) | |
| Chatfieldian - Maysvillian | Canada (Nunavut) | A. floweri (192776) | |
| Katian | Kazakhstan | A. sp. (161990) | |
| Katian | China | A. sp. (184486) | |
| Ashgill | China (XinJiang) | A. sp. (20790) |