Infralittoral to lower photic zone, often epibiontic of rhizomes in Posidonia oceanica meadows (Albano & Sabelli, 2012). Grazer and detritus feeder.
7 to 9 axial ribs on the body. 4 to 5 spiral cords on the last whorl, linear and not wavy as in A. claudioi. The species is « more or less deep orange in colour, depending on the part of the shell » (Buzzurro & Landini, 2007). Often, the apical part is more deeply tinged.
27m deep, Secca delle Murelle, off Montalto Marina,
Viterbo, Lazio, W. Italy. 4mm.
The shell is very close to pale forms of A. elisae but differs in some features, such as the lower number of axials, a smoother base, and the constant lack of buttons at the intersections radials / spirals. – Above: 33m deep, Secche di Tor Paterno (type-locality), off Torvajanica, Roma, Lazio. 2,5-3,5mm.
Protoconch adorned with spiral arrangements of small buttons. Transition with the teleoconch smooth, given by the progressive appearance and growth of two spiral cords. Above, a large subadult collected at 40m deep, Scoglio Fino, Marciana Marina, Isola d’Elba, Toscana, W. Italy. 3,95mm.