A Conch Form
Max. diameter: 21   Diameter: 21.3   Whorl width: 5.5   Whorl height: 8.5  
Umbilicus: 8.5   Aperture height: 0  
General:
    ts
  Aperturally:
    di
  Outline of venter:
    rn
  Special form of v.:
    no
 
Flanks:
    cx
  Umbilical width:
    wm
  Umbilical edge:
    no
 
B Growth Lines
Pattern:
    fi
  Direction:
     
  Overall course:
     
  Ventrolat. salient:
     
 
Course on venter:
     
 
C Ribs and Nodes
Ribs,Nodes/whorl:
    no
  Form of ribs:
     
  Pattern:
     
  Position of ribs:
     
 
Direction:
     
  Course:
     
  Form of nodes:
     
  Position of nodes:
     
 
D Constrictions
Constr./whorl:
    no
  Form:
     
  Pattern:
     
  Position:
     
 
E Grooves
Number:
    no
 
F Spirals
Number:
    no
  Form:
     
  Strength:
     
  Position:
     
 
G Suture
(1) Ventral lobe: si         If simple: fs         If div., height of median saddle:    
      Form of ventral lobe:           Form of ventral prong:    
(2) Ventrolateral saddle: as         Outline: r  
(3) First lateral lobe: as         Outline: ds         Width v. lobe/Width 1st lat. lobe: es  
(4) Following saddles: ro   (5) Add. lobes on flanks: as   (6) Number of add. lobes: fo  
(7) Form of dorsal lobe:     Sutural elements: E A L U3 U2 U