SeaLifeBase
Larvae Information Summary for  Architectonica perspectiva
( not available )

Main Ref: Scheltema, R.S. and I.P. Williams 1983
Yolk-sac larvae
  max min mod Ref.
Length at birth (mm)        
Preanal L. % TL        
Place of development planktonic
Larval area central Pacific Ocean
Yolk-sac       Ref:  
Yolk   Oil globules  
Larval shell measures 1.26 mm in diameter. There is a sutural keel extending from the varix along the edge of the body whorl into the "keyhole" shaped umbilicus. Several heavy ribs radiate from this "keyhole." The larval shell is slightly convex apically when viewed dorsally. Anal keel is absent but has few radiating umbilical ribs.
Post larvae
Striking feature  
Striking shape lateral   dorsal  
Striking feature  
Shape of gut  
Gas bladder   early   late  
Spinal armature   early   late  
  L 1st feeding Ref. Months of presence of larvae
max     Jan Feb Mar Apr
min   May Jun Jul Aug
mod     Sep Oct Nov Dec
Water parameters     Metric characters
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