Dear Conchlers round the world

I would need the authors for the following shells and snails
Fam. Cylichnidae ?
Acteocina planata



Fam. Bradybaenidae
Aegista mackensii



Fam. Turridae
Aforia inoperculata



Fam. Turridae
Agladrillia pudica



Fam. Rissoidae
Alvania aequisculpta



Fam. Arcidae
Anadara lienosa



Fam. Cerithiidae ?
Bittium  (?) filosum
Here I am not sure even of the Genus. Shell was from the Henry Hemphill collection



Fam. Bradybaenidae
Bradybaena middendorffi amatoris (Cockerell, .....)



Fam. Nassariidae or Buccinidae
Bullia globosa



Bullia gradata



Fam. Bursidae
Bursa margariticola



thanks for finding authors

Helmut

Helmut "Helix" Nisters
Franz-Fischer-Str. 46
A-6020 Innsbruck / Austria / Innsbruck
phone and fax: 0043 / 512 / 57 32 14
e-mail: [log in to unmask]
web:    www.netwing.at/nisters/

office:
Natural History Department of the
Tiroler Landesmuseum Ferdinandeum Innsbruck
Feldstrasse 11 a
A-6020 Innsbruck / Austria / Europe
phone: 0043 / 512 / 58 72 86 - 37