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Cucullaea (Idonearca) trigona
Taxonomy
Arca trigona was named by Seguenza (1882). It is not extant.
It was recombined as Cucullaea (Idonearca) trigona by El Qot (2006), Mendir et al. (2021).
It was recombined as Cucullaea (Idonearca) trigona by El Qot (2006), Mendir et al. (2021).
Sister species lacking formal opinion data
Arca gabrielis, C. acuticarinata, 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. 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 |
|---|---|
| 1882 | Arca trigona Seguenza |
| 2006 | Cucullaea (Idonearca) trigona El Qot p. 25 |
| 2021 | Cucullaea (Idonearca) trigona Mendir et al. p. 4 figs. 3A1-2, B1-2, C |
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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) trigona Seguenza 1882
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Cenomanian to the top of the Late/Upper Turonian or 100.50000 to 89.80000 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | Algeria | Cucullaea trigona (220822 220823) | |
| Early/Lower Cenomanian - Middle Cenomanian | Egypt | Cucullaea trigona (150675) | |
| Late/Upper Cenomanian | Algeria | Cucullaea trigona (220825 220827) | |
| Late/Upper Cenomanian | Egypt | Cucullaea trigona (114793 114794 114813 140584) | |
| Middle Cenomanian | Algeria | Cucullaea trigona (220824) | |
| Late/Upper Cenomanian - Early/Lower Turonian | Egypt | Cucullaea trigona (150676) | |
| Early/Lower Turonian | Egypt | Cucullaea trigona (114799 140245 140587) | |
| Late/Upper Turonian | Egypt | Cucullaea trigona (114802 114823 140592 140596 150674) | |
| Middle Turonian - Late/Upper Turonian | Egypt | Cucullaea trigona (114801) |