NEOGASTROPODA Wens, 1938

Nappo, Andrea, Rey, Xabier, Pellegrini, Daniel, Bonomolo, Giuseppe & Crocetta, Fabio, 2018, Revisiting the disjunct distribution of Conopleura Hinds, 1844 (Mollusca: Gastropoda: Drilliidae), Zootaxa 4392 (3), pp. 567-587 : 571

Order NEOGASTROPODA Wens, 1938

Superfamily CONOIDEA Fleming, 1822 Family DRILLIIDAE Olsson, 1964 Genus Conopleura Hinds, 1844

Type species by monotypy: Conopleura striata HINdS, 1844 —NEw GuINEA ISLANd (cENTRAL INdO-PAcIfIc).

Genus redescription: SPEcIES wITH A SmALL SHELL (uP TO ~ 20 mm), SOLId, SLENdER ANd bIcONIcAL wITH AcumINATE- ELONgATE SPIRE, ALmOST wHITISH IN cOLOuR, SOmETImES wITH bROwNISH TINgES OR PATcHES. PROTOcONcH Of ~2.25–2.5 wHORLS, SEmI-TRANSLucENT wHITISH, SmOOTH. APEx dEPRESSEd, SEcONd ANd THIRd wHORLS SLIgHTLy cONVEx. TELEOcONcH INcREASINg IN dIAmETER uP TO LAST wHORL, cONSTITuTINg AROuNd HALf Of TOTAL SHELL HEIgHT ANd SIgNIfIcANTLy ExPANdEd AT SHOuLdER ANd SubSEquENTLy NARROwINg. SuTuRE dISTINcT, SLIgHTLy INcISEd wITH A SuLcuS, SHOuLdER cORONATE. SHOuLdER SuLcuS mAdE Of A SERIES Of dEEP SEPTA SEPARATEd by RAdIATINg LAmELLAE ORIgINATINg fROm ANAL SINuS. AxIAL ScuLPTuRE fINE, POSSIbLy cONSTITuTEd by SEVERAL SubSEquENT gROwTH LINES. SPIRAL ScuLPTuRE IN THE cONVEx PART Of wHORL cONSISTINg Of STRONg PRImARy cORdS, OfTEN fLExuOuS wHEN cROSSINg gROwTH LINES. APERTuRE NARROw, SINuOuS ANd AxIALLy ELONgATEd, uNIfORmLy wHITISH-yELLOwISH. SLIgHT fALSE umbILIcuS PRESENT. COLumELLAR EdgE wITH SLIgHTLy ExPANdEd cALLuS. OuTER LIP THIN wITH STROmbOId NOTcH. ANAL SINuS dEEP, U-SHAPEd, cLOSE TO SuTuRE. SIPHONAL cANAL THIck, SHORT ANd bROAd. RHOmbOIdAL OPERcuLum wITH TERmINAL NucLEuS. ANATOmy ANd RAduLA uNkNOwN.

Remarks: SHELLS Of Conopleura SPEcIES ARE kNOwN fROm A wIdE INdO-PAcIfIc AREA (SEE bELOw), ALTHOugH THESE TAxA ARE RARELy fOuNd ALIVE. ONLy THREE LIVINg SPEcImENS bELONgINg TO Conopleura striata HINdS, 1844 ARE kNOwN SO fAR (TIPPETT & TuckER 1995; BOucHET et al. 2011; PuILLANdRE et al. 2011; PRESENT PAPER).