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Trigonostoma birmanicum
Taxonomy
Trigonostoma birmanicum was named by Vredenburg (1921) [DISTRIBUTION: Oligocene-Miocene; Myanmar.]. It is not a trace fossil.
Sister species lacking formal opinion data
Cancellaria bocageana, Cancellaria perspectiva, Cancellaria sphenoidostoma, Cancellaria spinifera, Cancellaria subthomasiae, Cancellaria umbilicaris, T. acutangula, T. ampullaceum, T. aurorae, T. aurorea, T. bonneti, T. carolinense, T. crenatum, T. crenifera, T. dertoscalatum, T. drudi, T. druidi, T. ecuadoriana, T. elegantissima, T. gradatum, T. harrisi, T. herbae, T. imbricatum, T. jonesae, T. marieanum, T. michelinii, T. naruieanum, T. penrosei, T. pulcherrimum, T. sabinetownense, T. sabinetownensis, T. sericea, T. taurocrassa, T. taurolaevigata, T. teriera, T. tjibaliungense, T. trochleare, T. extractrix, T. ficus, T. planispirum, T. zetes, T. crenifera, T. aperta, T. apertum, T. banardi, T. barnardi, T. extractrix, T. protrigonostoma, T. scrobiculatum, T. spinifera, T. elegantissima, T. exwestiana, T. geslini, T. geslini, T. herbae, T. jonesae, T. pouwi
Entered
by A. Hendy on 2007-11-24
Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Trigonostoma birmanicum Vredenburg p. 141 figs. pl. 15, fig. 11 |
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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.
†Trigonostoma birmanicum Vredenburg 1921
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Diagnosis
No diagnoses are available