共找到 7 筆符合的資料
. Colliculum slightly raised irregularly in ostium. Crista superior and crista inferior well-developed.....more
and crista inferior well-developed, both absent at ostium tip. Neck dorso-ventrally constricted. Rostrum.....more
raised in ostium. Crista superior and crista inferior well-developed, both absent at ostium tip.....more
and curled ventrally at tip. Colliculum raised in ostium. Crista superior and crista inferior well-developed.....more
ventrally at tip. Colliculum raised in ostium. Crista superior and crista inferior well-developed, both.....more
, flexing ventrally at tip. Crista superior and crista inferior well-developed, absent at ostium tip.....more
. Colliculum raised in ostium. Crista superior and crista inferior well-developed, both absent at ostium.....more