Full reference: T. E. Guensburg and J. Sprinkle. 2009. Solving the mystery of crinoid ancestry: new fossil evidence of arm origin and development. Journal of Paleontology 83(3):350-364
Sister taxon: Inadunata
Subtaxa: Apektocrinus ubaghsi
Ecology: stationary upper-level epifaunal suspension feeder
Distribution: found only at FB Sinkhole (Ordovician of Idaho)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.