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Trigonostoma pakistanicum
Taxonomy
Trigonostoma pakistanicum was named by Eames (1952). Its type specimen is BMNH G.68332, a shell, and it is a 3D body fossil. Its type locality is Fossil Bed F.2679, Zinda Pir, which is in a Ypresian marine shale in the Ghazij Formation of Pakistan.
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
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Trigonostoma pakistanicum Eames p. 117 figs. Pl 4, fig 99 |
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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 pakistanicum Eames 1952
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||