A Conch Form
Max. diameter: 7   Diameter: 6.1   Whorl width: 3.4   Whorl height: 3.4  
Umbilicus: 0   Aperture height: 2  
General:
    ts
  Aperturally:
    dl
  Outline of venter:
    rb
  Special form of v.:
    bi
 
Flanks:
    cx
  Umbilical width:
    ne
  Umbilical edge:
     
 
B Growth Lines
Pattern:
    fi
  Direction:
    ru
  Overall course:
    bi
  Ventrolat. salient:
    we
 
Course on venter:
    sw
 
C Ribs and Nodes
Ribs,Nodes/whorl:
    ys
  Form of ribs:
     
  Pattern:
    fe
  Position of ribs:
    ru
 
Direction:
     
  Course:
    bi
  Form of nodes:
     
  Position of nodes:
     
 
D Constrictions
Constr./whorl:
    no
  Form:
     
  Pattern:
     
  Position:
     
 
E Grooves
Number:
    ol
 
F Spirals
Number:
    no
  Form:
     
  Strength:
     
  Position:
     
 
G Suture
(1) Ventral lobe: si         If simple: vs         If div., height of median saddle:    
      Form of ventral lobe:           Form of ventral prong:    
(2) Ventrolateral saddle: sy         Outline: rb  
(3) First lateral lobe: sy         Outline: sr         Width v. lobe/Width 1st lat. lobe: es  
(4) Following saddles: ro   (5) Add. lobes on flanks: ro   (6) Number of add. lobes: on  
(7) Form of dorsal lobe:     Sutural elements: E A L U I