... Shell angular , longitudinally plaited and transversely stri- ate : lip toothed : mouth violet : beak straight , short . Inhabits China . Chemn , conch . 10. t . 160 , f . 1524 , 1525 . Corona . Shell fastigiate , with brown and ...
... Shell angular , longitudinally plaited and transversely stri- ate : lip toothed : mouth violet : beak straight , short . Inhabits China . Chemn , conch . 10. t . 160 , f . 1524 , 1525 . Corona Shell fastigiate , with brown and yellowish ...
... fastigiate venter . Another specimen from the same locality as Quinn's example ( UA loc . L18 ) , showing an ... shell . The umbilical shoulder is prominent , suban- gular , and the umbilical wall is nearly flat . No well- defined ...
... shell form of Hauericeras ; the sharpened venter of Mossamedites represents ... shell is strongly compressed and moderately evolute , with slightly ... fastigiate venter , resulting in a compressed , sublanceolate whorl section ...
... fastigiate venter . Another specimen from the same locality as Quinn's example ( UA loc . L18 ) , showing an ... shell . The umbilical shoulder is prominent , suban- gular , and the umbilical wall is nearly flat . No well- defined ...
... shell fragment bears a few long and short intercalated ribs . No suture is visible . NMMNH P - 68443 ( Fig . 60H ) ... fastigiate . Strong umbilical bullae start at the umbilical shoulder , give rise to weak , low , rounded ...
... shell , of which I have examined very many individuals . The Bermuda shell was known to Say . He wrote a descrip ... fastigiate than even H. septemvolva Nob . , and there is no obvious calcareous deposit on the labium , as in that ...
... Shell ovate - elongate ; spire elevated , fastigiate , apex acuminate : whorls seven , flattened on the sides , posteriorly rather roundly angulate and gradate- subcanaliculate ; body - whorl a little exceeding half the total length of ...
... shell , of which I have examined very many individuals . The Bermuda shell was known to Say . He wrote a descrip ... fastigiate than even H. septemvolva Nob . , and there is no obvious calcareous deposit on the labium , as in that ...
... shell , of which I have examined very many individuals . The Bermuda shell was known to Say . He wrote a descrip ... fastigiate than even H. septemvolva Nob . , and there is no obvious calcareous deposit on the labium , as in that ...