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Cucullaea (Idonearca) ezoensis
Taxonomy
Cucullaea ezoensis was named by Yabe and Nagao (1928). It is not a trace fossil.
It was recombined as Cucullaea (Idonearca) ezoensis by Tashiro and Kozai (1982) and Tashiro (1988).
It was recombined as Cucullaea (Idonearca) ezoensis by Tashiro and Kozai (1982) and Tashiro (1988).
Sister species lacking formal opinion data
Arca gabrielis, C. acuticarinata, C. antarctica, C. australis, C. ceres, C. clathrata, C. contracta, C. egertonianus, C. favrei, C. gabrielis, C. jaworskii, C. kipandeensis, C. mailleana, C. matheroniana, C. minchiahamplonensis, C. ornata, C. rothi, C. royei, C. sheikhfadli, C. texta, C. vulgaris, C. wadei, C. waihaoensis, C. woodsi, C. coxi, C. fuegunensis, C. aalensis, C. powersi, C. rothi, C. waihaoensis, Idonearca aequilateralis, Idonearca glabra, Idonearca matheroni
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Cucullaea ezoensis Yabe and Nagao p. 81 figs. pl. 16, figs, 1-3 |
| 1982 | Cucullaea (Idonearca) ezoensis Tashiro and Kozai p. 73 |
| 1988 | Cucullaea (Idonearca) ezoensis Tashiro p. 286 |
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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.
†Cucullaea (Idonearca) ezoensis Yabe and Nagao 1928
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
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| height | 1 | 18.0 |
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| Source: s = species, g = genus, f = family, o = order | |||||
| References: Aberhan et al. 2004, Tashiro and Kozai 1982 | |||||
Age range: base of the Cenomanian to the top of the Turonian or 100.50000 to 89.80000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | Japan (Kagoshima) | Cucullaea ezoensis (40515) | |
| Cenomanian | Japan (Ishikari) | Cucullaea ezoensis (39578) | |
| Cenomanian | Japan | Cucullaea ezoensis (69471 87011) | |
| Cenomanian | Japan (Kumamoto) | Cucullaea ezoensis (39638) | |
| Turonian | Japan (Ishikari) | Cucullaea ezoensis (39577) |