﻿50 
  

  

  MARINE 
  MOLLl'SCA 
  DESCRIBED 
  BY 
  P. 
  P. 
  CARPENTER 
  

  

  TABLii 
  2. 
  — 
  Straligraphi-c 
  distribution 
  of 
  species 
  {Continued) 
  

  

  Species 
  

  

  Miocene 
  

  

  Pliocene 
  

  

  Pleistocene 
  

  

  Recent 
  

  

  A. 
  compacta. 
  

  

  A 
  . 
  filosa 
  

  

  Barleeia 
  haliotiphila 
  

  

  B. 
  viarnwrea 
  

   B. 
  sublcnuis 
  

   Diala 
  acuta 
  

   Assiminea 
  transluccns 
  

  

  TurritrUa 
  cooperi 
  

   Tachyrhynchiis 
  lacteolum 
  

   T. 
  lacteolum 
  subplanatum 
  

  

  Petaloconchus 
  cow 
  pact 
  ns 
  

   Aletes 
  squamigcrus 
  

  

  Caecum 
  californicum 
  Dall 
  

  

  Micrancllum 
  crebricinctum 
  

   Cerithidea 
  hegewischii 
  

   albonodosa 
  

  

  Bitlium 
  armillatum 
  

   B. 
  attenuatum 
  

   B. 
  pur 
  pur 
  cum 
  

   B. 
  quadrifilatum 
  

   B. 
  rngatuin 
  

  

  B. 
  intcrfossa 
  

  

  B. 
  munituin 
  

   Alabina 
  tcnuisculpla 
  

   A. 
  turrila 
  

  

  Cerilhiopsis 
  columna 
  

   Diastoma 
  fastigiatum 
  

   Epitoniiun 
  indianorum 
  

  

  E. 
  tinctum 
  

  

  E. 
  hellistriatum 
  

  

  E. 
  subcoronatum 
  

  

  Opalia 
  insculpta 
  

  

  O. 
  bullata 
  [O. 
  spongiosa 
  

  

  and 
  O. 
  retiporosa] 
  

   Balcis 
  compacta 
  

   B. 
  micans 
  

  

  B. 
  rutila 
  

  

  B. 
  thersites 
  

  

  Cythnia 
  albida 
  

   Iselica 
  fenestrata 
  

   I. 
  obtusa 
  

   Hipponix 
  lumens 
  

  

  H. 
  antiquatus 
  [cranioides] 
  

  

  X 
  16 
  

  

  19 
  

  

  X 
  20 
  

  

  Type 
  

  

  x21 
  

   x6, 
  8, 
  11 
  

  

  Mexico, 
  13, 
  21 
  

   X 
  11 
  

  

  Mexico, 
  13, 
  

  

  21, 
  22 
  

   X 
  3, 
  1 
  1 
  

  

  Mexico, 
  21 
  

  

  X 
  1, 
  3, 
  6, 
  13 
  

  

  X 
  1, 
  2, 
  3, 
  6, 
  9, 
  11 
  

   Mexico, 
  13, 
  33 
  

  

  X 
  1, 
  3, 
  6, 
  13 
  

  

  *See 
  for 
  additional 
  localities. 
  

  

  