| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Exochorhynchus barringtoni
Taxonomy
Allorisma barringtoni was named by Thomas (1928).
It was recombined as Exochorhynchus barringtoni by Morris et al. (1991).
It was recombined as Exochorhynchus barringtoni by Morris et al. (1991).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Allorisma amotapense Thomas |
| 1928 | Allorisma baldryi Thomas |
| 1928 | Allorisma parinasense Thomas |
| 1928 | Allorisma barringtoni Thomas p. 221 figs. Pl 7, figs 5,6 |
| 1953 | Allorisma barringtoni Chronic p. 158 figs. Pl 32, figs 1-7b |
| 1991 | Exochorhynchus barringtoni Morris et al. p. 80 fig. 30a,b |
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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.
†Exochorhynchus barringtoni Thomas 1928
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Invalid names: Allorisma amotapense Thomas 1928 [synonym], Allorisma baldryi Thomas 1928 [synonym], Allorisma parinasense Thomas 1928 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| both height | 1 | 43.0 | - | - | - | - | |
| shell height | 4 | 35.8 | 29.0 | 45.0 | 35.5 | 6.90 | |
| valve height | 1 | 48.0 | - | - | - | - |
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| Source: g = genus, f = family, c = class | |||||
| References: Clapham 2015, Aberhan et al. 2004 | |||||
Age range: base of the Bashkirian to the top of the Moscovian or 323.20000 to 307.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bashkirian - Moscovian | Peru (Piura) | Allorisma barringtoni (41389 41390 41392) |