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Atresius
Taxonomy
Atresius was named by Gabb (1869) [Sepkoski's age data: K Apti T Than Sepkoski's reference number: 914].
It was assigned to Turbinidae by Stanton (1895); to Hipponicidae by Glibert (1963); to Neotaenioglossa by Sepkoski (2002); to Caenogastropoda by Kiel et al. (2008); and to Paskentanidae by Kaim et al. (2014).
It was assigned to Turbinidae by Stanton (1895); to Hipponicidae by Glibert (1963); to Neotaenioglossa by Sepkoski (2002); to Caenogastropoda by Kiel et al. (2008); and to Paskentanidae by Kaim et al. (2014).
Species
Synonymy list
Year | Name and author |
---|---|
1869 | Atresius Gabb pp. 168 - 169 |
1895 | Atresius Stanton p. 68 |
1963 | Atresius Glibert p. 9 |
2002 | Atresius Sepkoski |
2008 | Atresius Kiel et al. p. 691 |
2014 | Atresius Kaim et al. p. 421 |
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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.
Diagnosis
Reference | Diagnosis | |
---|---|---|
S. K. Kiel et al. 2008 | High−spired, littoriniform shell with five or more whorls and deeply incised suture; shell thin; whorls almost straight−sided, weakly convex, or with steep shoulder; sculpture of several spiral cords of subequal strength, interspaces mostly wider than spirals; basal margin rounded to strongly angular and keeled; spirals on base similar to those on whorl’s flank but finer and more narrowly spaced; umbilical slit may be present; growth lines opisthocyrt, fine, and numerous, occasionally clumped into ribs; aperture rhomboid, inner lip apparently smooth and without folds, short siphonal notch. |
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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height | 6 | 16.2 | 11.0 | 21.5 | 17.5 | 3.61 |
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Source: c = class | |||||
Reference: Kiessling 2004 |
Age range: base of the Valanginian to the top of the Turonian or 139.80000 to 89.80000 Ma
Collections (15 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Valanginian | USA (California) | A. liratus (151971) | |
Aptian | United Kingdom (England) | A. fittoni (1851) | |
Albian | USA (California) | A. liratus (151965) | |
Turonian | USA (California) | A. liratus (215285 215310 215618 220338 220340 220360 222092 222093 222100 222102 222103 222105) |