A Conch Form
Max. diameter: 28   Diameter: 27.7   Whorl width: 3.6   Whorl height: 8.7  
Umbilicus: 12.6   Aperture height: 0  
General:
    ts
  Aperturally:
    di
  Outline of venter:
    rn
  Special form of v.:
    no
 
Flanks:
    pl
  Umbilical width:
    wi
  Umbilical edge:
     
 
B Growth Lines
Pattern:
    fi
  Direction:
    pr
  Overall course:
    bi
  Ventrolat. salient:
     
 
Course on venter:
     
 
C Ribs and Nodes
Ribs,Nodes/whorl:
    fi
  Form of ribs:
    im
  Pattern:
    ff
  Position of ribs:
    l
 
Direction:
     
  Course:
     
  Form of nodes:
    tw
  Position of nodes:
    vl
 
D Constrictions
Constr./whorl:
    no
  Form:
     
  Pattern:
     
  Position:
     
 
E Grooves
Number:
    no
 
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: as         Outline: rb  
(3) First lateral lobe: as         Outline: dr         Width v. lobe/Width 1st lat. lobe: es  
(4) Following saddles: ro   (5) Add. lobes on flanks: ro   (6) Number of add. lobes: on  
(7) Form of dorsal lobe:     Sutural elements: