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Trigonia kayana
Taxonomy
Trigonia kayana was named by Anderson (1938).
Sister species lacking formal opinion data
T. aliexpandita, T. alta, T. americana, T. angulicostata, T. angustata, T. bella, T. castor, T. cerulia, T. cincta, T. conradi, T. corderoi, T. corderoi, T. cornueli, T. costata, T. costata, T. costulata, T. crebraecostata, T. daedalea, T. dainellii, T. densestriata, T. denticulata, T. elegantissima, T. elongata, T. enfaulensis, T. gihbosn, T. herzogi, T. higazi, T. hondaana, T. incrassata, T. ingens, T. interlaevigata, T. kenti, T. kidugalloensis, T. latezonata, T. leckenbyi, T. libanotica, T. lingonense, T. losadai, T. loutfyi, T. migeodi, T. mirandaensis, T. mollesensis, T. mollesensis, T. muelleri, T. munita, T. nitida, T. papillata, T. proelanza, T. prora, T. proscabra, T. pseudomeriani, T. pulchella, T. pulla, T. quadrangularis, T. sanctae-crucis, T. senex, T. similis, T. spinulosa, T. stelzneri, T. sumiyagura, T. tenuis, T. trafalgarensis, T. triangulare, T. tuberculata, T. varians, T. weidmanni, T. teali, T. kuchensis, T. chariensis, T. elongata, T. elongata, T. haboensis, T. kheraensis, T. nitida, T. propinqua, T. similis, T. tumida, T. moretoni
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Trigonia kayana Anderson p. 108 figs. Plate 7, figure 4 |
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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.
†Trigonia kayana Anderson 1938
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family | |||||
| References: Aberhan et al. 2004, Ros-Franch et al. 2014 | |||||
Age range: base of the Late/Upper Hauterivian to the top of the Late/Upper Aptian or 132.60000 to 113.20000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Hauterivian | Canada (British Columbia) | Trigonia kayana (88108) | |
| Late/Upper Aptian | USA (California) | Trigonia kayana (216311 216312 216314 216315) |