﻿Name 
  given 
  by 
  Adan- 
  

   son, 
  a 
  French 
  explo- 
  

   rer 
  and 
  naturalist, 
  

   in 
  1757. 
  Fern.) 
  

  

  163 
  

  

  i 
  Codakia 
  orbi 
  cula 
  ta 
  filiata_Dall 
  (having 
  

   a 
  relationship 
  with 
  the 
  preceding 
  one.) 
  

  

  ' 
  C 
  odakia 
  o 
  rbicula 
  t 
  a 
  recurvata 
  Pall 
  (bent, 
  

   curve 
  d.y 
  

  

  ' 
  Coda 
  ki 
  a 
  costata 
  Orbigny 
  (ribbed; 
  surface 
  

  

  1 
  with 
  radiating 
  ridges 
  crossed 
  by 
  concen- 
  

   tric 
  threads.) 
  

  

  i 
  Codaki 
  a 
  pectinella 
  C.B.Adam 
  s 
  ( 
  fan- 
  shaped 
  ; 
  

   like 
  a 
  little 
  Pecten. 
  ) 
  

  

  e) 
  Genus 
  Myrtea 
  Turton 
  

   1822 
  . 
  Tiat. 
  myrteus, 
  

   myrtle- 
  colored, 
  dark 
  

   green, 
  Myrtea 
  as 
  a 
  

   proper 
  name 
  refers 
  

   to 
  Venus, 
  the 
  god- 
  

   dess 
  to 
  whom 
  the 
  myr- 
  

   tle 
  is 
  sacred. 
  Fern.) 
  

  

  f 
  ) 
  G 
  enus 
  Pi 
  varicella 
  

   yon 
  Martens 
  1880 
  . 
  

   (Lat 
  .divaricare, 
  to 
  

   spread, 
  stretch 
  a- 
  

   part| 
  obliquely 
  

   striated. 
  Fern,) 
  

  

  ' 
  ijyrtea 
  lens 
  Verrill 
  & 
  Smith 
  ( 
  lentil; 
  shell' 
  

   j 
  with 
  a 
  greenish-gray 
  periostracum. 
  ) 
  i 
  

   ' 
  Myrtea 
  compressa 
  Pall 
  (compressed.) 
  j 
  

   { 
  Myrtea 
  sagrinata 
  Pall 
  (shagreened; 
  looks 
  j 
  

   like 
  shagreen 
  leather; 
  covered 
  with 
  i 
  

   ' 
  small 
  granulations.) 
  

  

  i 
  Pivaricella 
  dentata 
  Wood 
  (toothed; 
  its 
  

   ! 
  margin 
  is 
  toothed, 
  especially 
  the 
  dorsal 
  

   I 
  margin; 
  a 
  species 
  from 
  the 
  West 
  Indies.) 
  

   I 
  Pivaricella 
  quadrisulcata 
  Orbigny 
  (four- 
  

   I 
  furrowed. 
  ) 
  

  

  a) 
  Ge 
  nus 
  

  

  1758. 
  

  

  Ch 
  ama 
  ^ 
  

   TThe 
  ( 
  

  

  Linne 
  

  

  :hc 
  

  

  imas 
  

  

  are 
  attached 
  by 
  the 
  

   left 
  valve, 
  and 
  

   their 
  umbones 
  turn 
  

   from 
  right 
  to 
  left. 
  

  

  F 
  amily 
  Chamidae 
  . 
  (Gr, 
  cheme, 
  a 
  gaping, 
  Lat, 
  chama, 
  originally 
  writ- 
  

   ten 
  chema, 
  means 
  a 
  cockle. 
  Common 
  name: 
  Gaping 
  Cockles, 
  so 
  named 
  

   from 
  the 
  gaping 
  noticeable 
  in 
  this 
  family,) 
  

  

  Cham 
  a 
  co 
  ngregata 
  Conrad 
  (associated, 
  as- 
  

   sembled; 
  found 
  attached 
  to 
  other 
  shells.) 
  

  

  Cha 
  ma 
  f 
  l 
  orida 
  Lamarck 
  (from 
  Florida.) 
  

  

  Chama 
  lact 
  uca 
  Pall 
  (Lat. 
  lettuce; 
  upper 
  

   valve 
  has 
  short 
  concentric 
  foliations.) 
  

  

  Chama 
  ma 
  cerop 
  h 
  ylla 
  Gmelin 
  (Lat. 
  macer, 
  

   thin 
  -"- 
  Gr. 
  phyllon, 
  phylla, 
  leaf, 
  lea- 
  

   ves, 
  foliage; 
  gaping 
  cockle 
  with 
  copious 
  

   thin 
  foliations,) 
  

  

  Chama 
  sarda 
  Reev 
  e 
  (Lat. 
  sarda 
  means 
  cor- 
  

   nelian 
  or 
  carnelian, 
  a 
  precious 
  stone 
  

   red 
  in 
  color. 
  The 
  upper 
  valve, 
  which 
  is 
  

   white, 
  often 
  has 
  crimson 
  rays; 
  the 
  lower 
  

   valve 
  is 
  usually 
  red 
  inside 
  and 
  outside.) 
  

  

  Chama 
  sinuo 
  sa 
  Broderip 
  ( 
  sinuous, 
  wavy 
  ; 
  has 
  

   many 
  concentric 
  ruffles 
  of 
  scales.) 
  

  

  Chama 
  si 
  n 
  uosa 
  fi 
  rma 
  Pilsbry 
  & 
  McGinty 
  ( 
  

   firm, 
  solid; 
  thicker 
  than 
  sinuosa 
  Brode- 
  

   rip 
  and 
  heavier 
  teeth.) 
  

  

  Chama 
  sinuosa 
  bermudensis 
  Ileilprin 
  (from 
  

   Bermuda; 
  found 
  from 
  Bermuda 
  to 
  the 
  Tor- 
  

   tugas. 
  ) 
  

  

  Pseudochama 
  inezae 
  Baye 
  r 
  (Inez'; 
  named 
  

  

  for 
  Mrs. 
  Patterson.) 
  

   Pseudochama 
  radians 
  Lam 
  arc 
  k 
  (gleaming; 
  

  

  dull- 
  

  

  Fem, 
  ) 
  

  

  b) 
  Genus 
  

  

  Pseudochama 
  

   Odhuer 
  1917. 
  (Gr. 
  

   pseudes, 
  false 
  -i- 
  

   Lat, 
  cliama 
  . 
  Mirror 
  

   images 
  of 
  Chama 
  s. 
  

   They 
  are 
  attached 
  

  

  IS 
  

  

  hy 
  

  

  not 
  very 
  bright 
  and 
  colorful; 
  it 
  

   white 
  to 
  dull 
  purplish 
  red.) 
  

   Pseudochama 
  radians 
  variegata 
  Reeve 
  

  

  ( 
  va- 
  

  

  