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Unuma echinatus
Taxonomy
Unuma echinatus was named by Ichikawa and Yao (1976).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Unuma echinatus Ichikawa and Yao |
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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.
†Unuma echinatus Ichikawa and Yao 1976
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Early/Lower Aalenian to the top of the Callovian or 174.70000 to 161.50000 Ma
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aalenian | China (Tibet) | Unuma echinatus (51617) | |
| Early/Lower Aalenian - Middle Aalenian | Japan | Unuma echinatus (51711) | |
| Late/Upper Aalenian | Spain | Unuma echinatus (120127) | |
| Late/Upper Aalenian | Japan | Unuma echinatus (51712 54166) | |
| Late/Upper Aalenian | Japan (Kochi) | Unuma echinatus (66916) | |
| Aalenian - Bajocian | Spain | Unuma echinatus (131813) | |
| Early/Lower Bajocian | Japan | Unuma echinatus (51713) | |
| Bajocian | Greece | Unuma echinatus (142122) | |
| Bajocian | Spain | Unuma echinatus (131814 131815 131816 131817) | |
| Bajocian | USA (California) | Unuma echinatus (185425) | |
| Bajocian | Japan (Gifu) | Unuma echinatus (96066) | |
| Early/Lower Bajocian - Late/Upper Bajocian | Armenia | Unuma echinatus (131355) | |
| Late/Upper Bajocian | Japan | Unuma echinatus (51714) | |
| Late/Upper Bathonian - Early/Lower Callovian | Italy | Unuma echinatus (51086) | |
| Bathonian - Oxfordian | Spain | Unuma echinatus (131818 131820) | |
| Callovian | USA (California) | Unuma echinatus (50737) | |
| Callovian | Italy | Unuma echinatus (47163) |