A Conch Form
Max. diameter: 35   Diameter: 21.5   Whorl width: 7   Whorl height: 13  
Umbilicus: 0.8   Aperture height: 0  
General:
    ts
  Aperturally:
    dl
  Outline of venter:
    fl
  Special form of v.:
    on
 
Flanks:
    pl
  Umbilical width:
    ne
  Umbilical edge:
    no
 
B Growth Lines
Pattern:
    fi
  Direction:
     
  Overall course:
     
  Ventrolat. salient:
     
 
Course on venter:
     
 
C Ribs and Nodes
Ribs,Nodes/whorl:
    th
  Form of ribs:
    im
  Pattern:
    cr
  Position of ribs:
    ve
 
Direction:
    re
  Course:
    li
  Form of nodes:
     
  Position of nodes:
     
 
D Constrictions
Constr./whorl:
    no
  Form:
     
  Pattern:
     
  Position:
     
 
E Grooves
Number:
    ov
 
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: le         Form of ventral prong: ps  
(2) Ventrolateral saddle: as         Outline: iv  
(3) First lateral lobe: as         Outline: ip         Width v. lobe/Width 1st lat. lobe: na  
(4) Following saddles: ro   (5) Add. lobes on flanks: ic   (6) Number of add. lobes: ma  
(7) Form of dorsal lobe: bi   Sutural elements: Em E1 s Ad L U2 U3 U4 U6... ...U5 U1 I