A Conch Form
Max. diameter: 38   Diameter: 38   Whorl width: 19.5   Whorl height: 13  
Umbilicus: 16.7   Aperture height: 0  
General:
    ts
  Aperturally:
  pa dl
  Outline of venter:
    rb
  Special form of v.:
    no
 
Flanks:
    cx
  Umbilical width:
    wm
  Umbilical edge:
    ro
 
B Growth Lines
Pattern:
    co
  Direction:
    pr
  Overall course:
    vx
  Ventrolat. salient:
    lo
 
Course on venter:
    hd
 
C Ribs and Nodes
Ribs,Nodes/whorl:
    no
  Form of ribs:
  im  
  Pattern:
  cr  
  Position of ribs:
  pr  
 
Direction:
  vx  
  Course:
  fl  
  Form of nodes:
     
  Position of nodes:
     
 
D Constrictions
Constr./whorl:
    cv
  Form:
    ms
  Pattern:
    st
  Position:
    en
 
E Grooves
Number:
    tv
 
F Spirals
Number:
    no
  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: vs  
(2) Ventrolateral saddle: sy         Outline: rb  
(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