A Conch Form
Max. diameter: 23   Diameter: 18.6   Whorl width: 5.5   Whorl height: 4.8  
Umbilicus: 10.8   Aperture height: 3  
General:
    ts
  Aperturally:
    di
  Outline of venter:
    rb
  Special form of v.:
    no
 
Flanks:
    cx
  Umbilical width:
    wi
  Umbilical edge:
    an
 
B Growth Lines
Pattern:
    fi
  Direction:
    pr
  Overall course:
    bi
  Ventrolat. salient:
     
 
Course on venter:
    hs
 
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:
    cv
  Form:
    ms
  Pattern:
    st
  Position:
    en
 
E Grooves
Number:
    no
 
F Spirals
Number:
    no
  Form:
     
  Strength:
     
  Position:
     
 
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: rb  
(3) First lateral lobe: as         Outline: ds         Width v. lobe/Width 1st lat. lobe: eq  
(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 ? ?