Mollusca Palaeos Home Page CONCHIFERA
Basal Mollusca Yochelcionellidae

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Yochelcionellidae

Basal Mollusca  
|--Polyplacophora
`--CONCHIFERA (Helcionelloida)  
   |--SCENELLIDAE  
   `--+--HELCIONELLIDAE  
      |?-YOCHELCIONELLIDAE  
      |?-STENOTHECIDAE  
      |?-COREOSPIRIDAE
      |--Monoplacophora
      `--+--Diasoma
         |  |--Rostroconchia  
         |  `--Bivalvia
         `--Cyrtosoma

Introduction  

Introduction

Late Early to Early Furongian

Yochelcionella americana
image from Peel (1991).
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page uploaded 1 January 2003
checked ATW060129
page by M. Alan Kazlev
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