134 UNITED STATES NATIONAL MUSEUM BULLETIN 29 6 



Trypetesa nassarioides Turquier, 1967a, page 78 

 llGURE 37 



Diagnosis: Trypetesa occupying the columella exclusively and 

 when mature conforming to its helical shape; size about 7.4 X 1.8 

 mm, with aperture of 1 mm in length; attachment surface narrow 

 and elongated like a twisted ribbon; bi- or tri-cuspid teeth in a band 

 Uning mantle aperture; no orificial knob; rami of mouth cirri equal; 

 terminal cirri with second segment only one-fifth to one-fourth the 

 length of the cirrus; males with penis. 



Distribution: Principally occupies shells of Nassarius, Trophon, 

 and Mangelia, occupied by Anapagurus hyndmanni or rarely another 

 hermit crab, in the region of Roscoff, France. 



Holotype: Museum National d'Histore Naturelle, in Paris (Tur- 

 quier, personnel communication) . 



Turquier was kind enough to send me several specimens of females 

 and males, removed from the shells. They are shown in figure 37. 

 The description can be obtained in Turquier (1967a). 



Fossils 



Family LITHOGLYPTIDAE AURIVILLIUS, 1892 

 (See page 31.) 

 Genus Simonizapfes Codez, 1957, page 704 



Diagnosis: Burrows long and narrow, maximum length of the 

 burrow about four times the width. 



Type-species: Simonizapfes elongata Codez, 1957, page 705. 



Simonizapfes elongata Codez, 1957, page 705 



Zapfella pattei Saint-Seine (1954, page 447) in part. 



DiAGNOSis:Dimensionsof the aperture about 1.0-2.3 X 0.3-0.6 mm; 

 maximum length and width of the burrow about 2.0-4.5 X 0.5-1.1 mm. 



Distribution: Level, locality, and biotypes — -this species is known 

 from the Sin^murien to Portlandien inclusively; it is particularly 

 abundant in the shells of belemnites and the Ostreidae, but exists 

 also in other lamellibranchs, gastropods, corals, and crinoids, of 

 Europe and India. 



