| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Alphaneospirifer
Taxonomy
Alphaneospirifer was named by Gatinaud (1949).
It was assigned to Alphaneospiriferidae by Waterhouse (2004); and to Tangshanellinae by Williams et al. (2006).
It was assigned to Alphaneospiriferidae by Waterhouse (2004); and to Tangshanellinae by Williams et al. (2006).
Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1949 | Alphaneospirifer Gatinaud |
| 2002 | Semibrachythyrina Sepkoski |
| 2004 | Alphaneospirifer Waterhouse |
| 2006 | Alphaneospirifer Williams et al. p. 1786 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. †Alphaneospirifer Gatinaud 1949
show all | hide all
†Alphaneospirifer anshunensis Liao 1980
hide
Invalid names: Semibrachythyrina pyramidiformis Liang 1982 [synonym]
†Alphaneospirifer fasciculata Yang 1962
†Alphaneospirifer mahaensis Huang 1933
†Alphaneospirifer mucronata Liang 1990
†Alphaneospirifer ziyunensis Feng 1978
Invalid names: Semibrachythyrina [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 17 | 16.4 | 10.8 | 23.0 | 18.0 | 3.84 |
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Sakmarian to the top of the Changhsingian or 293.52000 to 252.17000 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | China (Guangxi) | Semibrachythyrina anshunensis, Semibrachythyrina subpentagona (134321) | |
| Artinskian | China (Xizang) | Semibrachythyrina sp. (110085) | |
| Capitanian | Malaysia | A. sp. (105035) | |
| Capitanian | China (Zhejiang) | Semibrachythyrina mucronata, Semibrachythyrina pyramidiformis (95519) Semibrachythyrina pyramidiformis (111932 111933) | |
| Wuchiapingian | China (Shaanxi) | Semibrachythyrina sp. (148516) | |
| Wuchiapingian | China (Xizang) | Semibrachythyrina mahaensis (110087) | |
| Wuchiapingian | China (Guizhou) | Spirifer mahaensis (110978) | |
| Wuchiapingian | China (Hubei) | Semibrachythyrina mahaensis, Semibrachythyrina minor (124836) | |
| Changhsingian | China (Hunan) | Semibrachythyrina anshunensis (105918 111899) | |
| Changhsingian | China (Guizhou) | Semibrachythyrina anshunensis (51424 111992 117480) Semibrachythyrina anshunensis, Semibrachythyrina rhombiformis (117481) Semibrachythyrina ziyunensis (108189) | |
| Changhsingian | China (Xizang) | A. wynnei (187544 187558) | |
| Changhsingian | China (Sichuan) | Semibrachythyrina anshunensis (156815) Semibrachythyrina fasciculata (103463) Semibrachythyrina sp. (156816) | |
| Changhsingian | Malaysia (Pahang) | Semibrachythyrina sp., Semibrachythyrina rhombiformis (206773) | |
| Changhsingian | Thailand | Semibrachythyrina anshunensis (8145 42776 42777) | |
| Changhsingian | China (Chongqing) | Semibrachythyrina fasciculata, Semibrachythyrina anshunensis (156863) Semibrachythyrina sp. (156860) |