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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Eotrigonia
Taxonomy
Eotrigonia was named by Cossmann (1912) [Sepkoski's age data: T Than T Mi-u Sepkoski's reference number: 530]. It is not extant.
It was assigned to Trigoniidae by Cox (1952); and to Trigonioida by Sepkoski (2002).
It was assigned to Trigoniidae by Cox (1952); and to Trigonioida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
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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.
G. †Eotrigonia Cossmann 1912
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†Eotrigonia semiundulata Jenkins 1865
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†Trigonia semiundulata granosa Pritchard 1903
Invalid names: Trigonia subundulata Jenkins 1865 [synonym]
†Eotrigonia tubulifera Tate 1885
†Trigonia semiundulata lutosa Pritchard 1903
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family | |||||
| References: Ros-Franch et al. 2014, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Oligocene to the top of the Late/Upper Miocene or 33.90000 to 5.33300 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oligocene | Australia (Victoria) | E. eocenica (71236) | |
| Chattian | Australia (Victoria) | Trigonia semiundulata (176279) | |
| Late/Upper Oligocene | Australia (Victoria) | E. subundulata, E. tubulifera (72199 72236 72238) | |
| Late/Upper Oligocene - Early/Lower Miocene | Australia (Victoria) | E. tubulifora, E. subundulata (71238) | |
| Early/Lower Miocene | Australia (Tasmania) | Trigonia semiundulata (72221) | |
| Early/Lower Miocene | Australia (Western Australia) | E. semiundulata (70714) E. subundulata (72186) | |
| Early/Lower Miocene | Australia (Victoria) | E. tubulifera (72200) Trigonia semiundulata (72223) | |
| Middle Miocene | Australia (Victoria) | E. subundulata (72231 72232) E. subundulata, E. tubulifera (72196) E. tubulifera (72188 72201) E. tubulifora (71352) | |
| Late/Upper Miocene | Australia (New South Wales) | E. subundulata (72190) | |
| Late/Upper Miocene | Australia (Victoria) | E. subundulata (72235) |