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Naticopsis wortheniana
Taxonomy
Naticopsis wortheniana was named by Knight (1934). It is not extant.
It was recombined as Naticopsis (Naticopsis) wortheniana by Squires (1976).
It was recombined as Naticopsis (Naticopsis) wortheniana by Squires (1976).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Naticopsis wortheni Knight |
| 1934 | Naticopsis wortheniana Knight |
| 1976 | Naticopsis (Naticopsis) wortheniana Squires pp. 349 – 350 fig. 1 |
| 1997 | Naticopsis wortheni Kulas and Batten p. 48 |
| 2023 | Naticopsis wortheniana Wagner p. 6159 |
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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.
†Naticopsis wortheniana Knight 1934
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Invalid names: Naticopsis wortheni Knight 1933 [replaced]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Squires 1976 | The six ephebic specimens of N. (N.) wortheniana from the quarry all have a thin outer prismatic layer of calcite and a thick inner crossed lamellar layer of aragonite. The color pattern of the spire area could not be determined in any of the specimens because either the outer layer or the spire is missing. The color pattern on the body whorl is similar in all the specimens and consists of three parallel revolving brown bands on a whitish background (Text-fig. 1A,B). All specimens have a thin white band next to the suture followed by a broad brown band. In one specimen, however, this white band is not present in the early part of the body whorl. The middle brown band and adjacent white bands are considerably variable in their widths from specimen to specimen. The lowermost broad brown band is followed by a white to brownish-white circumumbilical band, which is rather broad in one specimen. Color pattern variability, therefore, occurs in the ephebic form. |
Measurements
No measurements are available
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| Source: s = species, g = genus, superf = superfamily | |||||
| References: Hendy et al. 2009, Knight 1933, Squires 1976 | |||||
Age range: base of the Desmoinesian to the top of the Moscovian or 312.80000 to 307.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Moscovian | USA (Missouri) | Naticopsis wortheni (69773) | |
| Desmoinesian | USA (Missouri) | Naticopsis wortheni (69770) |