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Anomphalus verruculiferus
Taxonomy
Rotella verruculiferus was named by White (1881). It is not a trace fossil.
It was recombined as Anomphalus verruculiferus by Yochelson (1956), Yochelson and Saunders (1967), Kues (1984), Batten (1995), Kues and Batten (2001), Kues et al. (2002), Wagner (2023).
It was recombined as Anomphalus verruculiferus by Yochelson (1956), Yochelson and Saunders (1967), Kues (1984), Batten (1995), Kues and Batten (2001), Kues et al. (2002), Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1881 | Rotella verruculiferus White p. 32 figs. pl. 4 f. 7 |
| 1956 | Anomphalus verruculiferus Yochelson p. 252 figs. Pl 22, figs 13-18 |
| 1967 | Anomphalus verruculiferus Yochelson and Saunders p. 31 |
| 1984 | Anomphalus verruculiferus Kues figs. f. 3.31-3.32 |
| 1995 | Anomphalus verruculiferus Batten pp. 26 – 27 figs. 37a-b |
| 2001 | Anomphalus verruculiferus Kues and Batten pp. 43 - 44 figs. f. 8.18-8.22 |
| 2002 | Anomphalus verruculiferus Kues et al. p. 127 figs. 3V-M |
| 2023 | Anomphalus verruculiferus Wagner p. 5971 |
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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.
†Anomphalus verruculiferus White 1881
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Batten 1995 | Rotelliform shells with a massive umbilical callus. Very low-spired shells with whorls embracing on upper whorl surface. Upper whorl face gently rounded. Outer whorl face slightly flattened with illdefined shoulder and basal angulation that marks low periphery. Base is flatly rounded. Early whorls are phaneromphalus, adults are cryptomphalus. Columellar lip begins to swell at fourth whorl to form a callus, by adult whorl callus has expanded to umbilical boss and is most prominent feature of shell; columellar fold low on columellar lip. | |
| B. S. Kues et al. 2002 | The shell is very low spired and discoidal in shape and lacks ornamentation, and the aperture is large and subcircular. A prominent callus plugs the umbilicus, a distinctive feature of Anomphalus verruculiferus, which is common in the Desmoinesian of north-central New Mexico (Kues and Batten, 2001). |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Bandel et al. 2002 | |||||
Age range: base of the Morrowan to the top of the Missourian or 323.40000 to 303.70000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Morrowan | USA (Texas) | Anomphalus verruculiferus (79966) | |
| Kashirian - Myachkovian | USA (New Mexico) | Anomphalus verruculiferus (46548) | |
| Desmoinesian | USA (New Mexico) | Anomphalus verruculiferus (46536) | |
| Missourian | USA (New Mexico) | Anomphalus verruculiferus (50767) |