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Haplospira craigi
Taxonomy
Haplospira craigi was named by Rohr et al. (2008). Its type specimen is USNM 534464, a shell, and it is not a trace fossil. Its type locality is 2004R-1, south side of logging road, Twin Mountains area, Prince Wales Island, which is in a Ludlow carbonate wackestone in the Heceta Limestone Formation of Alaska.
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Haplospira craigi Rohr et al. p. 607 fig. 3.15–3.17 |
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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.
†Haplospira craigi Rohr et al. 2008
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. M. Rohr et al. 2008 | Moderately high-spired, rounded, narrowly phaneromphalous gastropod with a weak concave subsutural shoulder; aperture regular, slightly prosocline.
Description.—Rounded, apical angle of 65°, narrowly phaneromphalous shell with a weakly concave shoulder just below deep suture; whorl embraces previous whorl at periphery, whorl uniformly rounded below shoulder; aperture about 20% higher than wide, columellar lip reflexed around narrow umbilicus, outer lip straight and slightly inclined; ornament of faint, prosocline growth lines. |
Measurements
No measurements are available
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| Source: g = genus, superf = superfamily, c = class | |||||
| References: Kiessling 2004, Knight et al. 1960, Bambach et al. 2007 | |||||