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Glabrocingulum grayvillense

Gastropoda - Murchisoniina - Gosseletinidae

Taxonomy
Pleurotomaria grayvillensis was named by Norwood and Pratten (1855). It is not a trace fossil.

It was recombined as Phanerotrema grayvillensis by Ulrich and Scofield (1897) and Mark (1912); it was recombined as Phanerotrema grayvillense by Girty (1915), Morningstar (1922), Sturgeon (1937) and Elias (1958); it was recombined as Glabrocingulum (Glabrocingulum) grayvillense by Hoare (1961), Sturgeon (1964), Yochelson and Saunders (1967), Eldredge (1968), Schindel (1982), Schindel (1982), Kues (1984), Kues (1985), Kues and Batten (2001) and Kues et al. (2002); it was recombined as Glabrocingulum grayvillensis by Rollins et al. (1979); it was recombined as Glabrocingulum (Glabrocingulum) grayvillensis by Batten (1995); it was recombined as Glabrocingulum grayvillense by Wagner (2017).

Synonymy list
YearName and author
1855Pleurotomaria grayvillensis Norwood and Pratten p. 75 figs. pl. 9 f. 7a-b
1897Phanerotrema grayvillensis Ulrich and Scofield p. 952
1912Phanerotrema grayvillensis Mark p. 298
1915Phanerotrema grayvillense Girty pp. 149 - 152 figs. pl. 23 f. 2-8c
1922Phanerotrema grayvillense Morningstar p. 254
1937Phanerotrema grayvillense Sturgeon p. 357
1958Phanerotrema grayvillense Elias p. 8
1961Glabrocingulum (Glabrocingulum) grayvillense Hoare pp. 154-155 figs. pl. 20 f. 6-7
1964Glabrocingulum (Glabrocingulum) grayvillense Sturgeon pp. 207 - 208 figs. pl. 33 f. 7-10; pl. 36 f. 19
1967Glabrocingulum (Glabrocingulum) grayvillense Yochelson and Saunders pp. 86-87
1968Glabrocingulum (Glabrocingulum) grayvillense Eldredge p. 187 figs. pl. 33 f. 5
1979Glabrocingulum grayvillensis Rollins et al. p. 104
1982Glabrocingulum (Glabrocingulum) grayvillense Schindel p. 401 figs. f. 2a, 3.1a-f
1984Glabrocingulum (Glabrocingulum) grayvillense Kues figs. f. 3.16
1985Glabrocingulum (Glabrocingulum) grayvillense Kues p. 13 figs. f. E-G
1995Glabrocingulum (Glabrocingulum) grayvillensis Batten p. 12 fig. 11
2001Glabrocingulum (Glabrocingulum) grayvillense Kues and Batten p. 27 figs. f. 6.5-6.9
2002Glabrocingulum (Glabrocingulum) grayvillense Kues et al. p. 127 fig. 3U
2017Glabrocingulum grayvillense Wagner p. 5106

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classGastropodaCuvier 1797
RankNameAuthor
subclassOrthogastropoda
orderMurchisoniina
superfamilyEotomarioidea
familyGosseletinidae
subfamilyGosseletininae
subtribeGlabrocingulides
genusGlabrocingulum
speciesgrayvillense()

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
ReferenceDiagnosis
J. G. Norwood and H. Pratten 1855Shell small, being about half an inch in breadth and the same in length. Whorls five, flattened above; the body whorl rounded below. Spiral angle 102°. Shell covered with longitudinal lines, crossed by lines of growth, giving it the appearance of being garnished with small tubercles. The upper line of tubercles on each whorl, near the suture, is much more prominent than the others, forming a raised ornamental band. The band of the sinus is large, and separated from the inferior part by a furrow. Mouth sub-quadrangular; exterior lip sharp; columella lip thickened, the columella terminating below in a point.
B. S. Kues et al. 2002The turreted, low-spired shell possesses one or two nodose subsutural cords on the upper whorl surface, with several finer subnodose spiral lirae on the outer half of this surface. These are crossed by prosocline collabral lirae of similar size but closer spacing, and on well-preserved specimens faint, much finer spiral lirae cover the entire surface, including the nodes. The selenizone, situated on the outer margin of the upper whorl surface, just above the whorl shoulder, is narrow, relatively deep, and bordered by a single sharp lira on each side. The lower whorl surface and base of the shell has strong, widely spaced spiral cords, which are subnodose where crossed by closely spaced, sinuous collabral lirae. The umbilical region is not well preserved on any of the specimens but appears to have a thin inductural covering but no thickened callus, a feature separating G. grayvillense from some other species of this genus.