
The Pliocene marine megafauna extinction and its impact on functional diversity. Nature Ecology & Evolution, 1, 1100–1106
DOI: 10.1038/s41559-017-0223-6

Agabelus porcatus (Cetacea, Odontoceti) is a stingray spine. Journal of Vertebrate Paleontology, 281, 251–252
DOI: 10.1671/0272-4634(2008)28[251:APCOIA]2.0.CO;2