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Thracia (Cyathodonta) formosa
Taxonomy
Thracia formosa was named by Nomland (1917). Its type specimen is UCMP 11103 and is a 3D body fossil. Its type locality is UCMP loc. 2991 - Zapato Creek, which is in a Pliocene marine horizon in the Etchegoin Formation of California.
It was recombined as Thracia (Cyathodonta) formosa by Grant and IV and Gale (1931).
It was recombined as Thracia (Cyathodonta) formosa by Grant and IV and Gale (1931).
Sister species lacking formal opinion data
Cyathodonta dalli, Cyathodonta eggenburgensis, Cyathodonta magnifica, Cyathodonta reedsi, Cyathodonta semirugosa, Cyathodonta undulata, T. aequilatera, T. alpina, T. amygdaloidea, T. asahiensis, T. askinae, T. carinifera, T. cornuta, T. curtensata, T. devexa, T. disjuncta, T. fukushimensis, T. gracilis, T. hataii, T. higashinodonoensis, T. inflata, T. kakumana, T. kamayashikensis, T. kamtschatica, T. kavranensis, T. keuperina, T. kidoensis, T. kovatschensis, T. lata, T. lens, T. loducensis, T. magna, T. meridionalis, T. myopsis, T. necomiensis, T. neocomiensis, T. nicoleti, T. pertrapezoidea, T. phasaeolina, T. phaseolina, T. phillipsi, T. phillipsii, T. prominensis, T. robinaldina, T. rotunda, T. rotundata, T. sanctae-crucis, T. seguenzai, T. sekii, T. semiplanata, T. shokawensis, T. similis, T. simplex, T. staufti, T. stenochora, T. subrhombica, T. sulcata, T. tombecki, T. transversa, T. utcholokensis, T. vicksburgensis, T. vicksburgiana, T. vicksburgiana, T. vulvaria, T. watanabei, T. woodi, T. eggenburgensis, T. tristana, T. altenai, T. bellardii, T. detruncata, T. greppini, T. inflata, T. inflata, T. kavranensis, T. lens, T. prominensis, T. stenochora
Synonymy list
| Year | Name and author |
|---|---|
| 1917 | Thracia formosa Nomland p. 234 figs. Plate 9, figures 4, 4a |
| 1931 | Thracia (Cyathodonta) formosa Grant, IV and Gale pp. 259 - 260 |
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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.
†Thracia (Cyathodonta) formosa Nomland 1917
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Sanchez Roig 1926, Aberhan et al. 2004 | |||||
Age range: Early/Lower Pliocene or 5.33300 to 3.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pliocene | USA (California) | Thracia formosa (220195 220196) | |
| Pliocene | USA (California) | Thracia formosa (type locality: 194664) |