Acutichiton

Acutichiton Temporal range: Lower Devonian– Carboniferous^[1]^[2] PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Order:	Neoloricata
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. doi:10.2307/1303024.
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. doi:10.2307/1303024. 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. doi:10.2307/1305023. JSTOR 1305023. 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. doi:10.1666/0022-3360(2002)076<0256:PPMFNU>2.0.CO;2. ISSN 0022-3360. 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. doi:10.1666/0022-3360(2002)076<0256:PPMFNU>2.0.CO;2. ISSN 0022-3360. 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 (146). San Francisco: California Academy of Sciences. ASIN B00070YQGM. ISSN 0068-5461.

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

References

↑ 1.0 1.1 van Belle, R. A. (1981). Catalogue of Fossil Chitons. ISBN 90 6279 018 6.
↑ 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.
↑ 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. doi:10.1098/rspb.2007.0701. PMC 2274978. PMID 17652065. For a summary, see "The Mollusca". University of California Museum of Paleontology. Retrieved 2 October 2008.
↑ "Articulated Specimen of Acutichiton allynsmithi (Mollusca, Polyplacophora) from Oklahoma". Journal of Paleontology (2): 251. 1989. JSTOR 1305363.