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Rhynchonella triquetra
Taxonomy
Rhynchonella triquetra was named by Gemmellaro (1874).
Sister species lacking formal opinion data
R. antidichotoma, R. apicalis, R. bajuvarica, R. bischofi, R. budulcaensis, R. cannabina, R. capilata, R. capitula, R. concordiae, R. griffitica, R. lineata, R. macfadyeni, R. manflasensis, R. minor, R. nobilis, R. parvirostra, R. pecten, R. pirum, R. pusillula, R. selliformis, R. spectabilis, R. spreta, R. sublaevata, R. sublevata, R. subsimilis, R. sulcata, R. rothpletzi
Synonymy list
Year | Name and author |
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1874 | Rhynchonella triquetra Gemmellaro p. 74 figs. Pl. 11, Fig. 13 |
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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.
†Rhynchonella triquetra Gemmellaro 1874
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | |||||
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shell height | 1 | 4.40 |
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Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004 |
Age range: base of the Hettangian to the top of the Early/Lower Sinemurian or 201.30000 to 189.60000 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Hettangian - Early/Lower Sinemurian | Hungary | Rhynchonella triquetra (160447) | |
Late/Upper Hettangian - Early/Lower Sinemurian | Hungary | Rhynchonella triquetra (29085 29086 29091 29092) | |
Early/Lower Sinemurian - Hettangian | Hungary | Rhynchonella triquetra (160445 160446) |