|
|
|
|
|
Conus aff. socialis (Lightfoot, 1786)
Description (1)
Small to medium in size, with a moderately high flattened spire; spire has about nine whorls, each with six or seven fine spiral ribs, the lowest in the series larger than the others. Body whorl has close set flattened spiral ribs that may alternate with fine threads on the upper part of the whorl; axial lines numerous over the entire shell, being most conspic uous on the body whorl in the grooves between spiral ribs.
Measurements of the figured specimens:
USNM 214227, length 36.8 mm, diameter 17.7 mm;
USNM 214228, length 37.3 mm, diameter 18.3 mm.
When compared with fossils from the Sondé beds of Java, type locality of C. socialis, the Fijian fossils are seen to be larger and to have a slightly higher and more flattened spire. They may represent a distinct species.
Occurrence.—Seven specimens from station 817 (= B107) on Vanua Levu, Fiji; 1 questionable shell from station C1264 on Viti Levu, Fiji; age, Pliocene (Tertiary h).
Martin (1895, p. 17, pl. 2, figs. 27–33) described C. socialis from the upper Tertiary Sondé beds of Java. The species was also reported by Martin (1928, p. 13) from the upper Tertiary of Sumatra; Tesch (1915, p. 19, pl. 74, figs. 15–18) cited it from the upper Tertiary and lower Quaternary of Timor.
|
|
|
|
|
|
|
|
|
|
Bibliografia Consultata
