A Conch Form
Max. diameter: 20   Diameter: 17.7   Whorl width: 15.2   Whorl height: 6.3  
Umbilicus: 4.1   Aperture height: 3.2  
General:
    ts
  Aperturally:
pa pg pg
  Outline of venter:
    rb
  Special form of v.:
    no
 
Flanks:
    cx
  Umbilical width:
wm na na
  Umbilical edge:
    ro
 
B Growth Lines
Pattern:
  cc fc
  Direction:
  pr re
  Overall course:
    bi
  Ventrolat. salient:
  lo we
 
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:
    mo
  Pattern:
    we
  Position:
    en
 
E Grooves
Number:
    no
 
F Spirals
Number:
    tw
  Form:
    si
  Strength:
    fi
  Position:
    um
 
G Suture
(1) Ventral lobe: di         If simple:           If div., height of median saddle:    
      Form of ventral lobe: mo         Form of ventral prong: vs  
(2) Ventrolateral saddle: as         Outline: rn  
(3) First lateral lobe: sy         Outline: dv         Width v. lobe/Width 1st lat. lobe: eq  
(4) Following saddles: ro   (5) Add. lobes on flanks: no   (6) Number of add. lobes:    
(7) Form of dorsal lobe: sa   Sutural elements: Em E1 A L U I