A Conch Form
Max. diameter: 52   Diameter: 51.2   Whorl width: 13   Whorl height: 18  
Umbilicus: 20   Aperture height: 0  
General:
    ts
  Aperturally:
    di
  Outline of venter:
rb   fl
  Special form of v.:
    no
 
Flanks:
    cx
  Umbilical width:
wi   wi
  Umbilical edge:
no   no
 
B Growth Lines
Pattern:
    co
  Direction:
    pr
  Overall course:
    bi
  Ventrolat. salient:
    we
 
Course on venter:
    hd
 
C Ribs and Nodes
Ribs,Nodes/whorl:
    fi
  Form of ribs:
     
  Pattern:
     
  Position of ribs:
     
 
Direction:
     
  Course:
     
  Form of nodes:
    sh
  Position of nodes:
    ve
 
D Constrictions
Constr./whorl:
    no
  Form:
     
  Pattern:
     
  Position:
     
 
E Grooves
Number:
no   ol
 
F Spirals
Number:
    no
  Form:
     
  Strength:
     
  Position:
     
 
G Suture
(1) Ventral lobe: no         If simple:           If div., height of median saddle:    
      Form of ventral lobe:           Form of ventral prong:    
(2) Ventrolateral saddle:           Outline:    
(3) First lateral lobe: as         Outline: dv         Width v. lobe/Width 1st lat. lobe:    
(4) Following saddles: ro   (5) Add. lobes on flanks: ro   (6) Number of add. lobes: on  
(7) Form of dorsal lobe: sa   Sutural elements: A L I