Publications

Peer-Reviewed Publications

Tsai, C-H. and R.W. Boessenecker. In Press. The earliest known fin whale Balaenoptera physalus from the Early Pleistocene of Northern California. Journal of Vertebrate Paleontology.

Field, D., R.W. Boessenecker, R.A. Racicot, L. Ásbjörnsdóttir, K. Jónasson, A. Hsiang, A.D. Behlke, and J. Vinther. In Press. The oldest marine vertebrate fossil from the volcanic island of Iceland: a partial right whale skull from the high latitude Pliocene Tjörnes Formation. Palaeontology.

Boessenecker, R. W. 2016. A middle Pleistocene sea otter from northern California and the antiquity of Enhydra in the Pacific Basin. Journal of Mammalian Evolution. Online Early DOI: 10.1007/s10914-016-9373-6

Boessenecker, R. W. 2016. First record of the megatoothed shark Carcharocles megalodon from the Mio-Pliocene Purisima Formation of Northern California. PaleoBios 33:1-7.

Boessenecker, R. W. and M. Churchill. 2016. The origin of elephant seals: implications of a fragmentary late Pliocene seal (Phocidae: Miroungini) from New Zealand. New Zealand Journal of Geology and Geophysics 59:4:544-550.

Boessenecker, R. W. and R. E. Fordyce. 2016. Matapanui, a replacement name for Matapa Boessenecker & Fordyce, 2016. Journal of Systematic Palaeontology. Online Early DOI:10.1080/14772019.2016.1210070

Boessenecker, R. W. and R. E. Fordyce. 2016. A new eomysticetid from the Oligocene Kokoamu Greensand of New Zealand and a review of the Eomysticetidae (Mammalia, Cetacea). Journal of Systematic Palaeontology. Online Early DOI: 10.1080/14772019.2016.1191045

Churchill, M., and R. W. Boessenecker. 2016. Taxonomy and biogeography of the Pleistocene New Zealand sea lion Neophoca palatina (Carnivora: Otariidae). Journal of Paleontology 90:2:357-374.

Loch, C., R. W. Boessenecker, M. Churchill, and J. Kieser. 2016. Enamel ultrastructure of fossil and modern pinnipeds: evaluating hypotheses of feeding adaptations in the extinct walrus Pelagiarctos. The Science of Nature 103:44:1-8.

Boessenecker, R. W., and R. E. Fordyce. 2015. A new genus and species of eomysticetid (Cetacea: Mysticeti) and a reinterpretation of “Mauicetuslophocephalus Marples, 1956: transitional baleen whales from the upper Oligocene of New Zealand. Zoological Journal of the Linnean Society 175:607-660.

Boessenecker, R. W., and R. E. Fordyce. 2015. Anatomy, feeding ecology, and ontogeny of a transitional baleen whale: a new genus and species of Eomysticetidae (Mammalia: Cetacea) from the Oligocene of New Zealand. PeerJ 3:e1129.

Boessenecker, R. W., and M. Churchill. 2015. The oldest known fur seal. Biology Letters 11:20140835.

Boessenecker, R. W. and R.E. Fordyce. 2015. A New eomysticetid (Mammalia: Cetacea) from the Late Oligocene of New Zealand and a reevaluation of “Mauicetuswaitakiensis“. Papers in Palaeontology 1:107-140.

Boessenecker, R. W., Geisler, J.H., and F.A. Perry. 2015. Globicephaline whales from the Mio-Pliocene Purisima Formation of central California. Acta Palaeontologica Polonica 60:113-122.

Boessenecker, R. W., and A.W. Poust. 2015. Freshwater occurrence of the extinct dolphin Parapontoporia (Cetacea: Lipotidae) from the upper Pliocene nonmarine Tulare Formation of California. Palaeontology 58:489-496.

 Tsai, C.H., and Boessenecker, R. W. 2015. An Early Pleistocene gray whale (Cetacea: Eschrichtiidae) from the Rio Dell Formation of Northern California. Journal of Paleontology 89:103-109.

Boessenecker, R. W. and R.E. Fordyce. 2014. Trace fossil evidence of predation upon bone-eating worms on a baleen whale skeleton from the Oligocene of New Zealand. Lethaia 48:326-331.

Churchill, M.M., Boessenecker, R. W., and Clementz, M. 2014. Colonization of the Southern Hemisphere by fur seals and sea lions (Carnivora: Otariidae), revealed by combined evidence phylogenetic and Bayesian biogeographic analysis. Zoological Journal of the Linnean Society 172:200-225.

Racicot, R.A., Deméré, T.A., Beatty, B.L., and R. W. Boessenecker. 2014. Unique feeding morphology in a new prognathous fossil porpoise from the Pliocene of California. Current Biology 24:1-6.

Boessenecker, R. W., Perry, F.A., and J.G. Schmitt. 2014. Comparative taphonomy, taphofacies, and bonebeds of the Mio-Pliocene Purisima Formation, central California: strong physical control on marine vertebrate preservation in shallow marine settings. PLOS One 9:3:e91419.

El Adli, J., Deméré, T.A., and R. W. Boessenecker. 2014. A new species of the diminutive baleen whale Herpetocetus (Cetacea: Mysticeti) from the upper Pliocene (Piacenzian) of California, USA with observations on the evolution and relationships of the Cetotheriidae. Zoological Journal of the Linnean Society 170:400-466.

Boessenecker, R. W. 2013. A new marine vertebrate assemblage from the Late Neogene Purisima Formation in Central California, Part II: Pinnipeds and Cetaceans. Geodiversitas 35:4:815-940.

Boessenecker, R. W. 2013. Pleistocene survival of an archaic dwarf baleen whale (Mysticeti: Cetotheriidae). Naturwissenschaften 100:4:365-371.

Boessenecker, R. W. 2013. Taphonomic Implications of barnacle encrusted sea lion bones from the Middle Pleistocene Port Orford Formation, coastal Oregon. Journal of Paleontology: 87, No. 4, pp. 657-663.

Boessenecker, R. W. and M. Churchill. 2013. A reevaluation of the morphology, paleoecology, and phylogenetic relationships of the enigmatic walrus Pelagiarctos. PLoS One 8(1) e54311.

Marx, F.G., Buono, M.R., Fordyce, R.E., and R. W. Boessenecker. 2013. Juvenile morphology: a clue to the origins of the most mysterious of mysticetes? Naturwissenschaften 100:3:257-261.

Boessenecker, R. W. 2011A. Herpetocetine (Cetacea:Mysticeti) dentaries from the Upper Miocene Santa Margarita Sandstone of Central California. PaleoBios 30:1:1-12.

Boessenecker, R. W. 2011B. New records of the fur seal Callorhinus (Carnivora: Otariidae) from the Plio-Pleistocene Rio Dell Formation of Northern California and comments on otariid dental evolution. Journal of Vertebrate Paleontology 31(2):454-467.

 Boessenecker, R. W. 2011C. A new marine vertebrate assemblage from the Purisima Formation in Central California, Part 1: fossil sharks, bony fish, birds, and implications for the age of the Neogene Purisima Formation west of the San Gregorio fault. PalArch’s Journal of Vertebrate Paleontology 8(4):1-30.

Boessenecker, R. W. and F.A. Perry. 2011. Mammalian bite marks on juvenile fur seal bones from the late Neogene Purisima Formation of Central California. Palaios 26(2):115-120.

Boessenecker, R. W. and N.A. Smith. 2011. Latest Pacific basin record of a bony-toothed bird (Aves, Pelagornithidae) from the Pliocene Purisima Formation of California, U.S.A. Journal of Vertebrate Paleontology 31(3):652-657.

Conference Presentations

            Boessenecker, R. W. 2016. Collaboration between amateur and professional paleontologists on the west coast: a case study from the late Neogene Purisima Formation and Santa Margarita Sandstone of Northern California. Geological Society of America Abstracts with Programs, 48:3.

            Boessenecker, R. W. and R.E. Fordyce. 2016. New discoveries of Eomysticetidae from New Zealand and South Carolina: insights into feeding ecology, life history, biogeography, and phylogeny of early baleen whales. Meeting Schedule and Abstracts, 9th annual meeting of the Southeastern Association of Vertebrate Paleontology: 10.

Boessenecker, S.J. and R. W. Boessenecker. 2016. Recent museum acquisition of a large private collection contributes to Neogene vertebrate paleontology of North Carolina. Meeting Schedule and Abstracts, 9th annual meeting of the Southeastern Association of Vertebrate Paleontology: 11.

            Boessenecker, R. W. and R. E. Fordyce. 2015. New fossils from New Zealand reveal the affinities of Mauicetus lophocephalus and skeletal plan of Eomysticetidae: Oligocene baleen-bearing toothed mysticetes (Mammalia: Cetacea). Journal of Vertebrate Paleontology 35(3):92.

Magallanes, I., Parham, J. F., and R. W. Boessenecker. 2015. Description of the most complete fossil walrus and its implications for odobenid phylogeny. Journal of Vertebrate Paleontology 35(3):172.

            Boessenecker, R. W. and R. E. Fordyce. 2014. A reconsideration of the evolution and feeding ecology of the earliest toothless baleen whales (Mammalia: Mysticeti) in light of Oligocene Eomysticetidae from New Zealand. Annual conference of the Geoscience Society of New Zealand.

            Boessenecker, R. W. and R. E. Fordyce. 2013. Surprising diversity of transitional baleen whales: a new multispecies assemblage of eomysticetids from the Late Oligocene of New Zealand. 20th Biennial Conference of the Society for Marine Mammalogy.

            Boessenecker, R. W. and R. E. Fordyce. 2013. Anatomy and ontogeny of a transitional baleen whale: a new eomysticetid (Mammalia: Cetacea) from the late Oligocene Otekaike Limestone of New Zealand. Journal of Vertebrate Paleontology 33:89A.

            Boessenecker, R. W. and J. G. Schmitt. 2012. Taphofacies analysis of the Neogene Purisima Formation in Northern California indicates strong depositional control on marine vertebrate preservation in shallow marine deposits. Journal of Vertebrate Paleontology 32(3):65A.

Fordyce, R. E., Aguirre-Fernandez, G., Boessenecker, R. W., Hiller, N., and F.G. Marx. 2012. The evolution of cetaceans and the Southern Ocean. 15ª RT 9º SOLAMAC. (Puerto Madryn, Argentina).

Churchill, M. M., Boessenecker, R. W., and M. T. Clementz. 2011. Biogeographic implications of Otariidae (Mammalia: Carnivora) systematics. Journal of Vertebrate Paleontology 31(3):89A

El Adli, J., and R. W. Boessenecker. 2011. The musculature of the temporomandibular region in the Mio-Pliocene baleen [whale] genus Herpetocetus and its inference for feeding strategy. Journal of Vertebrate Paleontology 31(3):104A.

             Geisler, J., Martinez, M., Lambert, O., and R. W. Boessenecker. 2011. Evolution of high-frequency hearing in odontocetes (Mammalia: Cetacea). Journal of Vertebrate Paleontology 31(3):115A.

             Boessenecker, R. W. 2011. Marine vertebrate taphofacies of the Neogene Purisima Formation of central California: implications for the study of fossil marine vertebrates and their depositional context. Sixth Triennial Conference on Secondary Adaptation of Tetrapods to Life in Water Program with Abstracts: 12.

Churchill, M. M., Boessenecker, R. W., and M. T. Clementz. 2011. The systematics of Otariidae, and the influence of allometry and polymorphism on morphology based phylogenetics. Sixth Triennial Conference on Secondary Adaptation of Tetrapods to Life in Water Program with Abstracts: 17.

El Adli, J., Boessenecker, R. W., and J. H. Geisler. 2011. Taxonomic problems of and relationships among species of the fossil baleen whale genus Herpetocetus. Sixth Triennial Conference on Secondary Adaptation of Tetrapods to Life in Water Program with Abstracts: 23.

Churchill, M.M., Boessenecker, R. W., and M.T. Clementz. 2010. Preliminary results of a comprehensive morphological phylogeny of the Pinnipedia (Mammalia: Carnivora). Journal of Vertebrate Paleontology 30(3):72A.

            Boessenecker, R. W. 2010. Barnacle colonization of Middle Pleistocene Sea Lion (Carnivora:Pinnipedia) bones elucidate the biostratinomy of a fossil marine mammal. Journal of Vertebrate Paleontology 30(3):61A.

Haasl, D. M., L. H. Fisk, F. A. Perry, R. W. Boessenecker, S. J. Blakely, and L. R. Pratt. 2009. Paleontological resource mitigation at Santa Cruz, California. Geological Society of America Abstracts with Programs.

Boessenecker, R. W.,
J. H. Geisler, and F. A. Perry. 2009. A fossil pilot whale, Globicephala sp. (Cetacea: Delphinidae) from the Late Pliocene Purisima Formation of Central California. Journal of Vertebrate Paleontology 29(3):66A.

Boessenecker, R. W., and J. H. Geisler. 2008. New material of the bizarre whale Herpetocetus bramblei from the latest Miocene Purisima Formation of Central California. Journal of Vertebrate Paleontology 28(3):54A.

Boessenecker, R. W. 2007. New records of fur seals and walruses (Carnivora: Pinnipedia) from the late Neogene of Northern California. Journal of Vertebrate Paleontology 27(3):50A.

Boessenecker, R. W. 2006. A new marine vertebrate assemblage from the late Neogene Purisima Formation at Pomponio State Beach, California. Journal of Vertebrate Paleontology 26(3):43A.