A Conch Form
Max. diameter: 18   Diameter: 17.8   Whorl width: 13.1   Whorl height: 7  
Umbilicus: 6   Aperture height: 3.9  
General:
    ts
  Aperturally:
    pa
  Outline of venter:
    rb
  Special form of v.:
    no
 
Flanks:
    cx
  Umbilical width:
    wm
  Umbilical edge:
    ro
 
B Growth Lines
Pattern:
     
  Direction:
     
  Overall course:
     
  Ventrolat. salient:
     
 
Course on venter:
     
 
C Ribs and Nodes
Ribs,Nodes/whorl:
     
  Form of ribs:
     
  Pattern:
     
  Position of ribs:
     
 
Direction:
     
  Course:
     
  Form of nodes:
     
  Position of nodes:
     
 
D Constrictions
Constr./whorl:
     
  Form:
     
  Pattern:
     
  Position:
     
 
E Grooves
Number:
     
 
F Spirals
Number:
     
  Form:
     
  Strength:
     
  Position:
     
 
G Suture
(1) Ventral lobe:           If simple:           If div., height of median saddle:    
      Form of ventral lobe:           Form of ventral prong: po  
(2) Ventrolateral saddle: as         Outline: ro  
(3) First lateral lobe: as         Outline: dl         Width v. lobe/Width 1st lat. lobe:    
(4) Following saddles:     (5) Add. lobes on flanks:     (6) Number of add. lobes:    
(7) Form of dorsal lobe:     Sutural elements: