Revised descriptions of New Zealand Cenozoic Mollusca from Beu and Maxwell (1990)
(Pl. 15h): GS9517, Campbell Park School, Waitaki Valley, Waitakian (GNS)
Beu & Maxwell (1990): Chapter 10; p. 159; pl. 15 h.
Synonymy: Globisinum crassiliratum Finlay 1926b, p. 230
Classification: Naticidae: Globisininae
Description: Small for genus (height 11-14 mm), globose, spire relatively elevated. Protoconch depressed dome-shaped, of about 2.5 smooth whorls. Teleoconch whorls strongly convex, sutures distinctly impressed. Sculpture of relatively prominent, rounded or flat-topped spiral cords with some interstitial threads, crossed by growth lines and ridges. Inner lip almost straight, parietal callus rather thick. Umbilicus relatively broad.
Comparison: Globisinum crassiliratum is readily distinguished from other species of Globisinum (particularly G. miocaenicum, which also occurs at the first two localities) by its small size, its relatively high spire, its markedly coarser spiral sculpture and its rather wide umbilicus.
Distribution: Duntroonian-Waitakian; Otekaike Limestone, Trig Z, Otiake, Waitakian (type); Campbell Park School, Otekaike; Wharekuri Greensand, Wharekuri.
Cite this publication as: "A.G. Beu and J.I. Raine (2009). Revised
descriptions of New Zealand Cenozoic Mollusca from Beu and Maxwell (1990). GNS
Science miscellaneous series no. 27."
© GNS Science, 2009
(Included with a PDF facsimile file copy of New Zealand Geological Survey Paleontological Bulletin 58 in CD version from: Publications Officer, GNS Science, P.O. Box 30368 Lower Hutt, New Zealand)