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Placochelyidae
Taxonomy
Placochelydae was named by Jaekel (1910). Its type is Placochelys.
It was corrected as Placochelyidae by Kuhn (1946), Kuhn (1971), Rieppel (2000), Rieppel (2001), Li and Rieppel (2002).
It was assigned to Placodonti by Jaekel (1910); to Placodontia by Kuhn (1946); to Cyamodontida by Kuhn (1971); to Placochelyida by Rieppel (2000); to Placochelyida by Rieppel (2001); and to Cyamodontoidea by Li and Rieppel (2002).
It was corrected as Placochelyidae by Kuhn (1946), Kuhn (1971), Rieppel (2000), Rieppel (2001), Li and Rieppel (2002).
It was assigned to Placodonti by Jaekel (1910); to Placodontia by Kuhn (1946); to Cyamodontida by Kuhn (1971); to Placochelyida by Rieppel (2000); to Placochelyida by Rieppel (2001); and to Cyamodontoidea by Li and Rieppel (2002).
Subtaxa
Synonymy list
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. †Placochelyidae Jaekel 1910
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. Rieppel 2001 | Skull depressed; rostrum narrow and distinctly elongated; suture between maxilla and jugal located below posterior half of orbit; premaxillary teeth absent; ventral surface of rostrum with distinct grooves leading to internal nares; palatal exposure of pterygoid relatively long; distal tip of paroccipital process abuts squamosal buttress; anterior tip of dentary edentulous. |