Conus (Dauciconus) taphrus (Woodring, 1970)

 

 

 

Descrizione e caratteristiche:

 

Small, moderately wide at shoulder, edge of shoulder angulated. Protoconch and earliest post-protoconch whorls missing. Earliest preserved whorls carinate and obscurely tuberculate; tubercles obscure owing to wear. Succeeding whorls overlapping to edge of shoulder of preceding whorl, bearing a narrow channel adjoining suture. Anal fascicle flat, bearing growth threads and microscopic spiral lineation. Lower part of body whorl weakly sculptured. Entire whorl showing microscopic spiral lineation. Height (almost complete) 28.2 mm, diameter 15 mm (type).

Type:USNM645T48.

Type locality: 161d (USGS 8366, Cuts west of Gatun Dam, station 3a, Canal Zone), middle part of Gatun formation.

The type the only specimen was collected at a locality in the middle part of the Gatun formation west of Gatun Dam. Though it may not be mature, the sutural channel is a distinctive feature.

Occurrence: Middle part of Gatun formation, western area (middle Miocene), locality 161d



 


 

 

 

Conus taphrus (1a)

USNM 645748

Plate 57, figures 1, 7

Type. Height (almost complete)

mm. 28,2 x 15

Locality 161d. Middle part of Gatun formation - Panama

 

 

 

 

 

 

 

 



Bibliografia Consultata

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·        (1) - Woodring, W. P., 1970. Geology and Paleontology of Canal Zone and Adjoining Parts of Panama. U.S. Geological Survey Professional Paper, 306-D pag. 346-349 = 459-462

·        (1a) - Woodring, W. P., 1970. Geology and Paleontology of Canal Zone and Adjoining Parts of Panama. U.S. Geological Survey Professional Paper, 306-D pag. 346-349 = 459-462

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