| 词条 | Pygocephalomorpha |
| 释义 |
| fossil_range = {{fossil range|Carboniferous|Permian}} | regnum = Animalia | phylum = Arthropoda | subphylum = Crustacea | classis = Malacostraca | superordo = Peracarida | ordo = Pygocephalomorpha | ordo_authority = Beurlen, 1930 | subdivision_ranks = Families | subdivision =
}} The order Pygocephalomorpha is an extinct group of peracarid crustaceans. It contains five families, and one genus incertae sedis.[1] Pygocephalomorpha were abundant from the Carboniferous until their extinction in the Permian.[2] See also
References1. ^{{cite web |author=J. Mees |year=2010 |title=Pygocephalomorpha |publisher=World Register of Marine Species |url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=477254 |accessdate=October 1, 2010}} {{Malacostraca|extinct}}{{Taxonbar|from=Q728681}}{{Malacostraca-stub}}{{paleo-crustacean-stub}}{{Carboniferous-animal-stub}}2. ^{{cite book |editor=Elva Escobar-Briones, Fernando Alvarez |year=2002 |title=Modern approaches to the study of Crustacea |publisher=Springer |isbn=978-0-306-47366-1 |chapter=Habitat specialization and its relation to conservation policy in Crustacea |author=Marjorie L. Reaka-Kudla |pages=211–221 |url=https://books.google.com/books?id=H_u6HHgd2bMC&pg=PA215}} 6 : Prehistoric Malacostraca|Carboniferous crustaceans|Permian animals|Carboniferous first appearances|Permian extinctions|Crustacean orders |
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