| 词条 | Micropalaeosoma |
| 释义 |
| name = Micropalaeosoma | fossil_range = {{fossil_range|Eocene}} | image = | image_caption = | regnum = Animalia | phylum = Platyhelminthes | classis = Rhabditophora | ordo = Rhabdocoela | subordo = Typhloplanoida | familia = | genus = Micropalaeosoma | genus_authority = Poinar, 2004 | type_species = Micropalaeosoma balticus | type_species_authority = (Poinar, 2003) }}Micropalaeosoma balticus (formerly Palaeosoma balticus{{efn|The name Palaeosoma was preoccupied by a genus of fossil millipedes.}}) is an extinct, fossil turbellarian flatworm known from Baltic amber of Kaliningrad, Russia, that lived approximately 40 million years ago. It measured approximately 1.5 mm in length and is the oldest and most complete flatworm fossil yet discovered.[1][2] References{{notelist}}1. ^{{cite journal|last1=Poinar|first1=George|title=A rhabdocoel turbellarian (Platyhelminthes, Typhloplanoida) in Baltic amber with a review of fossil and sub-fossil platyhelminths|journal=Invertebrate Biology|date=2003|volume=122|issue=4|pages=308–312|doi=10.1111/j.1744-7410.2003.tb00095.x|url=http://fc06.deviantart.net/fs71/f/2014/036/7/2/a_rhabdocoel_turbellarian__platyhelminthes__ty_by_zimices-d759654.pdf}} {{Taxonbar|from=Q2280178}}{{flatworm-stub}}2. ^{{cite book|last=Poinar|first=George O.|title=Fossil Behavior Compendium|chapter=Eggs, Oviposition, and Maternal Care in Amber|editor=Arthur J. Boucot |editor2=George O. Poinar, Jr.|publisher=CRC Press|year= 2011|url=https://books.google.com/books?id=cubZZyoDk6QC&pg=PT651&lpg=PT651&dq=#v=onepage&q&f=false}} 5 : Prehistoric protostome genera|Turbellaria genera|Fossil taxa described in 2003|Fossils of Russia|Baltic amber |
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