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Trigonia bowersiana
Taxonomy
Trigonia bowersiana was named by Anderson (1958). It is a 3D body fossil. Its type locality is CAS loc. 252, Silverado Canyon, which is in a Turonian marine horizon in the Ladd Formation of California.
Sister species lacking formal opinion data
T. aliformis, T. bella, T. brevicostata, T. carinata, T. clavigera, T. conradi, T. corderoi, T. costata, T. crebraecostata, T. elongata, T. guadalupae, T. kenti, T. kidugalloensis, T. leckenbyi, T. libanotica, T. literata, T. loutfyi, T. migeodi, T. mollesensis, T. proelanza, T. prora, T. stelzneri, T. tenuis, T. trafalgarensis, T. kuchensis, T. elongata, T. nitida, T. tumida
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Trigonia bowersiana Anderson p. 116 figs. Plate 26, figure 8 |
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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 bowersiana Anderson 1958
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: Late/Upper Turonian or 93.50000 to 89.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Turonian | USA (California) | Trigonia bowersiana (type locality: 215346) |