|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was synonymized subjectively with Anomoepus by Olsen (1986).
It was assigned to Dinosauria by Hitchcock (1898) and Lull (1904); to Reptilia by Lull (1917); to Coelurosauria by Kuhn (1958); to Selenichnidae by Lull (1953) and Kuhn (1963); and to Saurischia by Haubold (1971).
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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.
Collections (4 total)
|Time interval||Ma||Country or state||Original ID and collection number|
|Norian||USA (Virginia)||P. pilulatus (154230)|
|Hettangian||USA (Massachusetts)||P. pilulatus (52986)|
|Hettangian - Sinemurian||USA (Massachusetts)||P. pilulatus (53028)|
|Hettangian - Sinemurian||USA (Connecticut)||P. sp. (53000)|