﻿Lingula 
  scalprum 
  Clarke 
  

  

  Fig. 
  1,2 
  Dorsal 
  and 
  ventral 
  valves 
  

  

  Locality: 
  Ponta 
  Grossa, 
  Brazil 
  

  

  Lingula 
  lepta 
  Clarke 
  

  

  Fig. 
  3, 
  4 
  Valves 
  showing 
  outline 
  and 
  muscular 
  scars 
  

   Locality: 
  Ponta 
  Grossa, 
  Brazil 
  

  

  Lingula 
  keideli 
  Clarke 
  

  

  Fig. 
  5, 
  6 
  Ventral 
  and 
  dorsal 
  valves 
  

  

  Locality: 
  Ponta 
  Grossa, 
  Brazil 
  

  

  Lingula 
  lamella 
  Clarke 
  

  

  Fig. 
  7 
  Conjoined 
  valves 
  

  

  8 
  Dorsal 
  valve 
  with 
  trace 
  of 
  median 
  septum 
  

   Locality: 
  Ponta 
  Grossa, 
  Brazil 
  

  

  Lingula 
  subpunctata 
  Knod 
  

  

  Fig. 
  9 
  Cast 
  of 
  ventral 
  umbo 
  showing 
  pedicle 
  slit 
  

  

  Problematicum 
  

  

  Fig. 
  io 
  Figure 
  of 
  a 
  round 
  cystoid 
  body 
  with 
  a 
  submarginal 
  per- 
  

   foration 
  or 
  puncture 
  from 
  which 
  radiates 
  a 
  pustular 
  

   ornament, 
  x 
  2 
  

   Locality: 
  Jaguariahyva, 
  Brazil 
  

  

  Clionolithus 
  priscus 
  McCoy 
  

  

  Fig. 
  ii 
  A 
  series 
  of 
  clavate 
  tubes 
  of 
  this 
  boring 
  sponge 
  in 
  a 
  shell 
  

   of 
  Ptomatis 
  moreirai. 
  xi.5 
  

   Locality: 
  Ponta 
  Grossa, 
  Brazil 
  

  

  