Acutichiton

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Acutichiton
Temporal range: Lower Devonian– Carboniferous[1][2]
Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Polyplacophora
Family: Leptochitonidae
Subfamily: Helminthochitoninae
Genus: Acutichiton
Hoare, R.D.; Sturgeon, M.T.; Hoare, T.B. (1972). "Middle Pennsylvanian (Allegheny Group) Polyplacophora from Ohio". Journal of Paleontology. 46 (5): 675–680. JSTOR 1303024. doi:10.2307/1303024 (inactive 2017-01-27). 
Species
  • A. PYRMIDALUS Hoare, R.D.; Sturgeon, M.T.; Hoare, T.B. (1972). "Middle Pennsylvanian (Allegheny Group) Polyplacophora from Ohio". Journal of Paleontology. 46 (5): 675–680. JSTOR 1303024. doi:10.2307/1303024 (inactive 2017-01-27). 
  • A. PANNUCEUS Hoare, R.D.; Mapes, R.H. (1985). "A New Species of Pennsylvanian Polyplacophora (Mollusca) from Texas". Journal of Paleontology. 59 (5): 1324–1326. JSTOR 1305023. doi:10.2307/1305023 (inactive 2017-01-27). 
  • A. ALLYNSMITHI HOARE, R. D., R. H. MAPES, AND D. E. ATWATER. 1983. Pennsylvanian

    Polyplacophora (Mollusca) from Oklahoma and Texas. Journal of Paleontology, 57:992-1000

  • A. depressolatus Hoare, Richard D. (June 1999). "New Occurrences and a New Species of Pennsylvanian Polyplacophorans (Mollusca) in Ohio". The Ohio Journal of Science. 99 (3): 49–52. hdl:1811/23819. 
  • A. gracilis Hoare, R. D.; Plas, LEO P.; Yancey, T. E. (2002). "Permian Polyplacophora (Mollusca) from Nevada, Utah, and Arizona". Journal of Paleontology. 76 (2): 256. ISSN 0022-3360. doi:10.1666/0022-3360(2002)076<0256:PPMFNU>2.0.CO;2. 
  • A. nevadensis Hoare, R. D.; Plas, LEO P.; Yancey, T. E. (2002). "Permian Polyplacophora (Mollusca) from Nevada, Utah, and Arizona". Journal of Paleontology. 76 (2): 256. ISSN 0022-3360. doi:10.1666/0022-3360(2002)076<0256:PPMFNU>2.0.CO;2. 
  • A. etheridgei Smith, Allyn G.; Hoare, Richard D. (Feb 25, 1987). PALEOZOIC POLYPLACOPHORA: A CHECKLIST AND BIBLIOGRAPHY (PDF). Occasional Papers of the California Academy of Sciences. San Francisco: California Academy of Sciences. ASIN B00070YQGM. ISSN 0068-5461. 

Acutichiton is among the most primitive genera of Neoloricate chitons.[3] Acutichiton became extinct during the Carboniferous period.[1] Articulated specimens are known.[4]

References[edit]

  1. ^ a b van Belle, R. A. (1981). Catalogue of Fossil Chitons. ISBN 90 6279 018 6. 
  2. ^ Hoare, R. D.; Farrell, J. R. (2004). "Lower Devonian Polyplacophora from New South Wales, Australia". Palaeontology. 47 (6): 1495. doi:10.1111/j.0031-0239.2004.00415.x. 
  3. ^ Sigwart, J. D.; Sutton, M. D. (Oct 2007). "Deep molluscan phylogeny: synthesis of palaeontological and neontological data". Proceedings of the Royal Society B: Biological sciences. 274 (1624): 2413–2419. PMC 2274978Freely accessible. PMID 17652065. doi:10.1098/rspb.2007.0701.  For a summary, see "The Mollusca". University of California Museum of Paleontology. Retrieved 2 October 2008. 
  4. ^ "Articulated Specimen of Acutichiton allynsmithi (Mollusca, Polyplacophora) from Oklahoma". Journal of Paleontology (2): 251. 1989. JSTOR 1305363.