﻿Serpulites 
  sica 
  Salter 
  

  

  Fig. 
  i 
  Portions 
  of 
  flattened 
  chitinous 
  tubes 
  with 
  thickened 
  edges 
  

   Locality: 
  Ponta 
  Grossa, 
  Brazil 
  

  

  Plant 
  (or 
  branched 
  annelid?) 
  

  

  Fig. 
  2 
  A 
  frond 
  or 
  colony 
  on 
  which 
  the 
  branches 
  are 
  flattened 
  

   clavate 
  tubes 
  taking 
  origin 
  from 
  a 
  clavate 
  stipe, 
  x 
  1.5 
  

   Locality: 
  Ponta 
  Grossa, 
  Brazil 
  

  

  206 
  

  

  