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mussel-project.ua.edu/evol/syst/palaeohets.html
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Dec 6, 2005 ... Traditionally, the traits that affiliated the Trigonioida and Unionoida were a prismatonacreous shell, an unfused mantle and schizodont dentition ...
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mussel-project.ua.edu/evol/data/grafcummings/char_shell...
mussel-project.ua.edu/evol/data/grafcummings/char_shell.html
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Dec 28, 2007 ... 1 = Dentition schizodont, typically with both posterior lateral and ... Coded as inapplicable among outgroup taxa lacking schizodont dentition.
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www.palaeontology.geo.uu.se/Kurser/Livets/molluscs02.pd...
www.palaeontology.geo.uu.se/Kurser/Livets/molluscs02.pdf
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Mollusca – systematics – Bivalvia – dentition. Dentition: Various types and subtypes taxodont – dysodont – isodont – schizodont – desmodont – pachydont – ...
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www3.wooster.edu/geology/geois/Cryptic.doc
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Laevitrigonia gibbosa: Nicknamed “'oss's 'eds” by English quarriers, these trigonid (“three-sided”) clams are roughly triangular and possess schizodont dentition, ...
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www.angelfire.com/de/mohgameil/Mollusca.html
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4. Schizodont: Teeth are very large and have many parallel grooves normal to the axis of the. tooth Ex. Trigonia. 5. Heterodont: with two or three cardinal teeth ...
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australianmuseum.net.au/Uploads/Journals/17681/173_comp...
australianmuseum.net.au/Uploads/Journals/17681/173_complete.pdf
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nacreous shell, striated, schizodont hinge teeth and an unfused mantle margin. Douville (1912), however, pointed out that the similarity between these two ...
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web.missouri.edu/~macleodk/paleo5-27h%20mollusc%20notes...
web.missouri.edu/~macleodk/paleo5-27h%20mollusc%20notes.pdf
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heterodont dentition (schizodont dentition in Trigonids) aragonitic and calcitic shells equal valves includes fresh water mussels. Subclass Pteriomorph (Ord.
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palaeo.gly.bris.ac.uk/palaeofiles/fossilgroups/bivalvia...
palaeo.gly.bris.ac.uk/palaeofiles/fossilgroups/bivalvia/Gills.html
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ISODONT, Large teeth found either side of the internal ligament pit. SCHIZODONT, Large teeth, sometimes grooved. PACHYODONT, Very large blunt teeth ...
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www.jstor.org/stable/10.2307/1302663
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Ostracod species that possess schizodont hinges were described as early as the 19th cen- tury, but their schizodont dentition went un- noted. They were not ...
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