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Alvania lettana
Taxonomy
Rissoa lettana was named by Van Winkle (1918). It is a 3D body fossil. Its type locality is UW 239, which is in an Oligocene marine horizon in Washington.
It was recombined as Alvania lettana by Effinger (1938).
It was recombined as Alvania lettana by Effinger (1938).
Sister species lacking formal opinion data
A. abstersa, A. almo, A. ampulla, A. angioyi, A. areolifera, A. argentea, A. auberiana, A. aurivillii, A. barreti, A. brachia, A. cimex, A. curta, A. curta, A. dinora, A. discors, A. ellenorae, A. epulata, A. fenestrata, A. formicarum, A. galapagensis, A. geryonia, A. halia, A. helenae, A. hirta, A. holsatica, A. hoodensis, A. janmayeni, A. lachesis, A. lara, A. lineata, A. lirata, A. mamillata, A. maria, A. mariae, A. mediolittoralis, A. meridioamericana, A. meridoamericana, A. montagui, A. montagui, A. montagui, A. nemo, A. oldroydi, A. perregularis, A. playagrandensis, A. poucheti, A. pseudoalvania, A. punctura, A. sleursi, A. tarsodes, A. tauropraecedens, A. tenuicostata, A. tenuisculpta, A. testae, A. transiens, A. veleroana, A. venus, A. zetlandica, A. convexispira, A. auberiana, A. basisulcata, A. carta, A. curta, A. gontsharovae, A. holsatica, A. meridioamericana, A. montagui, A. montagui, A. montagui, A. montagui, A. obliquistoma, A. partschi, A. praeholsatica, A. productilis, A. schwartzi, A. testae, A. thalia, A. tiberiana, A. venus, A. partschi, A. craticula, A. dautzenbergi, A. montensis, A. rupeliensis, A. semperi, A. spirialis, A. tongrorum, A. pontileviensis, A. lactanea, A. belgica, A. alexandrae, A. hungarica, A. kenneyi, A. partschi, A. mariae, A. perregularis, A. sculpta, A. venus, Rissoa bartonensis, Rissoa lineata
Synonymy list
| Year | Name and author |
|---|---|
| 1918 | Rissoa lettana Van Winkle figs. pl. 7, fig. 13 |
| 1938 | Alvania lettana Effinger p. 379 |
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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.
†Alvania lettana Van Winkle 1918
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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 | |||||
Age range: base of the Priabonian to the top of the Oligocene or 37.71000 to 23.04000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Priabonian | USA (Washington) | Alvania lettana (40733) | |
| Oligocene | USA (Washington) | Rissoa lettana (type locality: 241814) |