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Trigonia (Kumatrigonia) nemtinovi
Taxonomy
Trigonia (Kumatrigonia) nemtinovi was named by Bychkov (1985). Its type specimen is SVPGO 43/858 and is a 3D body fossil. Its type locality is Kenkereveem River, Kenkeren Ridge, Koryak (lower-middle Norian), which is in a Lacian/Alaunian carbonate limestone in the Russian Federation.
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. clavigera, 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. eufalensis, T. gihbosn, T. guadalupae, T. herzogi, T. higazi, T. hondaana, T. incrassata, T. ingens, T. interlaevigata, T. kenti, T. kidugalloensis, T. latezonata, T. leckenbyi, T. lewisi, T. libanotica, T. lingonense, T. losadai, T. loutfyi, T. migeodi, T. mirandaensis, T. mollesensis, T. mollesensis, T. mortoni, 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 |
|---|---|
| 1985 | Trigonia (Kumatrigonia) nemtinovi Bychkov p. 14 figs. Pl 4, figs 1-9 |
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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 (Kumatrigonia) nemtinovi Bychkov 1985
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 5 | 24.5 | 18.4 | 32.4 | 24.5 | 5.46 |
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| Source: f = family | |||||
| References: Aberhan et al. 2004, Ros-Franch et al. 2014 | |||||
Age range: Alaunian or 215.38000 to 211.18000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lacian - Alaunian | Russian Federation | Trigonia nemtinovi (136158 type locality: 136161) | |
| Alaunian | Russian Federation | Trigonia nemtinovi (136160) |