A Conch Form
Max. diameter: 28   Diameter: 19.6   Whorl width: 5.2   Whorl height: 5.9  
Umbilicus: 9.4   Aperture height: 0  
General:
    ts
  Aperturally:
    di
  Outline of venter:
    rn
  Special form of v.:
    no
 
Flanks:
    cx
  Umbilical width:
    wi
  Umbilical edge:
     
 
B Growth Lines
Pattern:
     
  Direction:
     
  Overall course:
     
  Ventrolat. salient:
     
 
Course on venter:
     
 
C Ribs and Nodes
Ribs,Nodes/whorl:
    ys
  Form of ribs:
    im
  Pattern:
    cf
  Position of ribs:
    re
 
Direction:
     
  Course:
     
  Form of nodes:
     
  Position of nodes:
     
 
D Constrictions
Constr./whorl:
     
  Form:
     
  Pattern:
     
  Position:
     
 
E Grooves
Number:
    no
 
F Spirals
Number:
     
  Form:
     
  Strength:
     
  Position:
     
 
G Suture
(1) Ventral lobe: di         If simple:           If div., height of median saddle:    
      Form of ventral lobe: lm         Form of ventral prong:    
(2) Ventrolateral saddle: sy         Outline: rb  
(3) First lateral lobe: sy         Outline: sr         Width v. lobe/Width 1st lat. lobe: nm  
(4) Following saddles: ro   (5) Add. lobes on flanks: ro   (6) Number of add. lobes: tw  
(7) Form of dorsal lobe:     Sutural elements: