Palaeocastor

E472454

Palaeocastor is an extinct genus of burrowing beavers from the Oligocene–Miocene of North America, best known for the distinctive spiral fossil burrows they created.

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Statements (46)

Predicate Object
instanceOf extinct genus
fossil taxon
rodent genus
associatedIchnogenus Daemonelix NERFINISHED
behavior burrowing
belongsTo beavers
bodySize small to medium-sized beaver
burrowIchnofossilName Daemonelix NERFINISHED
burrowType corkscrew-shaped burrows
spiral burrows
class Mammalia
dentitionType rodent incisors
diet herbivorous
differsFrom modern beavers by being specialized for digging rather than swimming
ecologicalRole burrowing mammal
fossorial rodent
environment ancient floodplain deposits
semi-arid grassland
family Castoridae NERFINISHED
fossilType body fossils
trace fossils
foundIn Nebraska fossil beds
South Dakota fossil beds NERFINISHED
geologicalTimeRange Oligocene–Miocene
importanceInPaleontology classic example of matching a body fossil to a trace fossil producer
kingdom Animalia
knownFrom Great Plains region NERFINISHED
North America NERFINISHED
lifestyle fossorial
terrestrial
limbAdaptation strong forelimbs for digging
locomotion digging-adapted quadruped
notableFor spiral fossil burrows
order Rodentia
paleoecology inhabited upland areas away from large permanent water bodies
phylum Chordata
reproductiveBehaviorInference likely nested in burrow chambers
resembles modern beavers
scientificSignificance helps interpret origin of Daemonelix structures
provides evidence of complex burrowing behavior in fossil rodents
socialBehaviorInference possibly lived in colonies
status extinct
taxonRank genus
temporalRange Miocene NERFINISHED
Oligocene NERFINISHED
traceFossilsInclude burrow systems

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.