A Conch Form
Max. diameter: 45   Diameter: 31.5   Whorl width: 27   Whorl height: 10  
Umbilicus: 14   Aperture height: 6  
General:
    ts
  Aperturally:
pa dl pg
  Outline of venter:
    rb
  Special form of v.:
    no
 
Flanks:
    cx
  Umbilical width:
wi wm wm
  Umbilical edge:
no no ro
 
B Growth Lines
Pattern:
    fi
  Direction:
    re
  Overall course:
    cx
  Ventrolat. salient:
    no
 
Course on venter:
    hs
 
C Ribs and Nodes
Ribs,Nodes/whorl:
    th
  Form of ribs:
    im
  Pattern:
    fr
  Position of ribs:
    fl
 
Direction:
    re
  Course:
    cv
  Form of nodes:
     
  Position of nodes:
     
 
D Constrictions
Constr./whorl:
    no
  Form:
     
  Pattern:
     
  Position:
     
 
E Grooves
Number:
    no
 
F Spirals
Number:
    te
  Form:
    in
  Strength:
    fi
  Position:
    en
 
G Suture
(1) Ventral lobe: si         If simple: ps         If div., height of median saddle:    
      Form of ventral lobe:           Form of ventral prong:    
(2) Ventrolateral saddle: sy         Outline: ro  
(3) First lateral lobe: sy         Outline: dl         Width v. lobe/Width 1st lat. lobe: na  
(4) Following saddles: ro   (5) Add. lobes on flanks: no   (6) Number of add. lobes:    
(7) Form of dorsal lobe: sa   Sutural elements: E A L U I