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Species / Chedevillia Begiati

Chedevillia Begiati

Stromboidea


Original Description of Rostellaria begiati by de Gregorio, 1880:

  • "Testa ovata oblonga, levis; in juvenibus laevigata, monodontae-formis, basi profunde sulcata, apici acuta; anfractibus multis convexiusculis; in adultis ultimis duobus anfractibus potius globosis, lente crescentibus; ultimo axilariter costato, spiraliter omnino multisulcato; sulcis latis, profundiusculis, inter basilares majores duobus minoribus interpositis; costis brevibus, raris ciirciter duplis quam interstitiis; labro externo magno, expanso, limbo ovato, spirae adnato, postice longitudinae testam vix-vix superante; latitudine autem in medio subaequante."

Locus typicus: Ciupio, S. Giovanni Ilarione, Vicenza, Vicenza Province, Veneto Region, Italy

Stratum typicum: lower Lutetian, middle Eocene

Comments: the species comes in two forms, a common one with smooth spire, and an uncommom one with spirally sculptured spire. The recent Rimellopsis powisi also comes in two forms, smooth spire (form "laurenti") or spirally sculptured spire.

Original Drawing from De Gregorio

Rostellaria begiati from De Gregorio, 1880, pl. I, fig. 12


Specimens from private collections

Chedevillia begiati (de Gregorio, 1880); On matrix with Pachycrommium oweni? d'Archiac and Haime 1854; lower Lutetian, middle Eocene; Albanello quarry, Nogarole Vicentino, Val Chiampo, Vicenza area, Vicenza Province, Veneto Region, Italy; 80 mm; Coll. Riccardo Alberti

Chedevillia begiati (de Gregorio, 1880); lower Lutetian, middle Eocene; Albanello quarry, Nogarole Vicentino, Val Chiampo, Vicenza area, Vicenza Province, Veneto Region, Italy; Unknown collection

Chedevillia begiati (de Gregorio, 1880); Lutetian, middle Eocene; Grola near Spagnago of Cornedo Vicentino, Vicenza Province, Veneto Region, Italy; 75 mm; Coll. Virgilio Liverani

Chedevillia begiati (de Gregorio, 1880); lower Lutetian, middle Eocene; Albanello quarry, Nogarole Vicentino, Val Chiampo, Vicenza area, Vicenza Province, Veneto Region, Italy; 90 mm, spur repaired; Coll. Virgilio Liverani

Chedevillia begiati (de Gregorio, 1880); lower Lutetian, middle Eocene; Albanello quarry, Nogarole Vicentino, Val Chiampo, Vicenza area, Vicenza Province, Veneto Region, Italy; 75 mm; Coll. Philippe Simonet

Etymology: named after Francesco Begiato


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