Bibliography and Index of the Sirenia and Desmostylia  

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"Barnes, Lawrence G."

Barnes, Lawrence G.: SEE ALSO Aranda-Manteca et al., 1994; McLeod & Barnes, 1984. (detail)
Barnes, Lawrence G. (detail)
Miocene vertebrate geochronology of the West Coast of North America. Part 2: Marine vertebrates.
Proc. Pacif. Coast Mioc. Biostrat. Symp. (47th Ann. Pacif. Sect. Convention, Soc. Econ. Min. Pal., Bakersfield, Calif., Mar. 9-10, 1972): 126, 137-145. Figs. 3-4.
–Summarizes Miocene marine vertebrate faunas of California, including Desmostylus, Paleoparadoxia, and Metaxytherium (126, 140-142).
Barnes, Lawrence G.; Howard, Hildegarde; Hutchison, J. Howard; Welton, Bruce J. (detail)
The vertebrate fossils of the marine Cenozoic San Mateo Formation at Oceanside, California. In: P. L. Abbott & S. O'Dunn (eds.), Geologic investigations of the San Diego coastal plain.
San Diego, San Diego Assoc. Geologists: 53-70. 2 tabs. 1 fig. April 1981.
–Reports new material of Hydrodamalis cuestae in association with Hemphillian faunas (56-57, 62-63).
Barnes, Lawrence G. (detail)
The fossil sirenian, Dusisiren jordani.
Whalewatcher (Jour. Amer. Cetacean Soc.) 16(1): 20. Cover illus. Spring 1982.
–Pop. acc. of recent studies of D. jordani and of hydrodamaline evolution, with artist's reconstruction of the species by Pieter Folkens.
McLeod, Samuel A.; Barnes, Lawrence G. (detail)
Fossil desmostylians.
Mem. Nat. Hist. Foundation of Orange County (California) 1: 39-44. 6 figs. Jan. 1, 1984.
Barnes, Lawrence G.; Domning, Daryl Paul; Ray, Clayton Edward (detail)
Status of studies on fossil marine mammals.
Mar. Mamm. Sci. 1(1): 15-53. 1 tab. 9 figs. Jan. 1985.
Aranda-Manteca, Francisco Javier; Domning, Daryl Paul; Barnes, Lawrence G. (detail)
A new Middle Miocene sirenian of the genus Metaxytherium from Baja California and California: relationships and paleobiogeographic implications. In: A. Berta & T. A. Deméré (eds.), Contributions in marine mammal paleontology honoring Frank C. Whitmore, Jr.
Proc. San Diego Soc. Nat. Hist. 29: 191-204. 3 tabs. 13 figs. May 1, 1994.
–Revs.: S. A. McLeod, Jour. Vert. Pal. 16(1): 183-185, Mar. 19, 1996; J. E. Heyning, Mar. Mamm. Sci. 12(2): 326-329, "Apr. 1996" (publ. Mar. 29, 1996). Spanish summ. Describes the new species Metaxytherium arctodites, and interprets it as structurally ancestral to the Hydrodamalinae. Also places Hesperosiren in the synonymy of Metaxytherium, and synonymizes M. calvertense with M. crataegense (new combination).
Barnes, Lawrence G.; Goedert, James L. (detail)
Marine vertebrate paleontology on the Olympic Peninsula.
Washington Geology 24(3): 17-25. Illus. Sept. 1996.
–Pop. acc. of Behemotops proteus (17, 19, 21) and other fossil vertebrates.
Aranda-Manteca, Francisco Javier; Barnes, Lawrence G. (detail)
Jamilcotatus kumiaica, a new genus and species of middle Miocene desmostylian. [Abstr.]
Memoria del VI Congreso Nacional de Paleontologia, Resumenes (Sociedad Mexicana de Paleontologia) 6: 4-6. Feb. 1998.
–The new names here are nomina nuda.
Barnes, Lawrence G. (detail)
The sequence of fossil marine mammal assemblages in México. In: O. Carranza-Castañeda & D. A. Córdoba-Méndez (eds.), Avances en investigación: paleontología de vertebrados.
Univ. Auton. Estad. Hidalgo, Publ. Especial 1: 26-79.
Barnes, Lawrence G. (detail)
Dugong feeding on sea grass, by Pete Atkinson, United Kingdom. Runner-up for the Gerald Durrell Award for Endangered Wildlife.
Terra (Los Angeles County, Natural History Museum) 37(3): 3. 1 fig. Summer 2000.
–Underwater photo by Atkinson of a male dugong at Epi, Vanuatu, with a caption giving a short pop. acc. of sirs. and their evolution.
Barnes, Lawrence G.; Goedert, James L. (detail)
Stratigraphy and paleoecology of Oligocene and Miocene desmostylian occurrences in western Washington State, U.S.A.
Bull. Ashoro Mus. Pal. 2: 7-22. 3 tabs. 7 figs. Mar. 30, 2001.
Barnes, Lawrence G. (detail)
Evolutionary history of the fossil marine mammals of México. In: M. Montellano-B. & J. Arroyo-C. (eds.), Avances en los estudios paleomastozoológicos en México.
Mexico City, Inst. Nac. Antropol. e Hist. (Collecion Cientifica, Serie Arqueología) (1-248): 125-225.
Domning, Daryl Paul; Barnes, Lawrence G. (detail)
A new name for the 'Stanford skeleton' of Paleoparadoxia (Mammalia, Desmostylia).
Jour. Vert. Pal. 27(3): 748-751. 2 figs. Sept. 12, 2007.
–Names Paleoparadoxia repenningi, n.sp.
Barnes, Lawrence G. (detail)
Miocene and Pliocene Albireonidae (Cetacea, Odontoceti), rare and unusual fossil dolphins from the eastern North Pacific Ocean. In: X. Wang & L.G. Barnes (eds.), Geology and vertebrate paleontology of western and southern North America, contributions in honor of David P. Whistler.
Nat. Hist. Mus. Los Angeles County, Science Series No. 41: 99-152. 4 tabs. 34 figs. May 28, 2008.
–The faunal list (103, tab. 1) of marine vertebrates from the Lower Member of the Almejas Formation (latest Mioc., Isla Cedros, Baja California, Mexico) includes "aff. Hydrodamalis sp." and "Dugongidae, genus and species undetermined [small sea cow]". Also redescribes and discusses the type locality of Hydrodamalis cuestae (142).
Barnes, Lawrence G. (detail)
A new genus and species of Late Miocene paleoparadoxiid (Mammalia, Desmostylia) from California.
Nat. Hist. Museum of Los Angeles County Contributions in Science 521: 51-114. 7 tabs. 39 figs. Sept. 11, 2013.
–ABSTRACT: The Desmostylia are an extinct order of quadrupedal, marine, herbivorous, placental mammals whose closest living relatives are Proboscidea (elephants and their relatives) and Sirenia (sea cows and manatees). Desmostylians lived around the margins of the North Pacific Ocean from the Oligocene until the end of the Miocene. A 10- to 11-million-year-old fossil skeleton, here named Neoparadoxia cecilialina, new genus and new species, was found in the early late Miocene part of the Monterey Formation in Orange County, coastal southern California, USA. This is the geochronologically youngest named species of desmostylian. The holotype of this species is the most complete known paleoparadoxiid desmostylian skeleton and only the second desmostylian skeleton yet reported from North America that includes a cranium. The skeleton is exhibited in the Age of Mammals hall of the Natural History Museum of Los Angeles County. Among previously named desmostylians, N. cecilialina is most closely related to middle Miocene (approximately 14-million-year-old) Paleoparadoxia repenningi Domning and Barnes, 2007. The two species share sufficient numbers of characters to warrant transferring P. repenningi to the new genus Neoparadoxia. These species demonstrate that geochronologically late paleoparadoxiids evolved enhanced adaptations for life in water (larger body size, larger manus and pes, enlarged external nares, elevated orbits) and other adaptations related to bulk aquatic feeding (enlarged oral cavity, ventrally turned snout and anterior end of the mandible, larger molars). Neoparadoxia cecilialina has incisors that are flatter and wider than those of any other known desmostylian. Other derived features of N. cecilialina, such as delayed eruption of canines and posterior-most molars, possibly extended its life span, with a result being larger adult body size. Such adaptations in the last known desmostylians may have been responses to competition with dugongid sirenians, also herbivores, that appeared in the North Pacific Ocean after the earlier endemic desmostylians and ultimately supplanted them in that realm. The comparatively small and primitive species, Paleoparadoxia weltoni Clark, 1991, from the latest Oligocene Skooner Gulch Formation in Mendocino County, California, USA, is assigned to the new genus Archaeoparadoxia.
Thomas, Howell W.; Barnes, Lawrence G. (detail)
The bone joint pathology osteochondrosis in extant and fossil marine mammals.
Contributions in Science (Museum of Nat. Hist. of Los Angeles County, Calif.) No. 523: 1-35. 22 figs. Aug. 21, 2015.
–Describes osteochondrosis on distal end of ulna of Neoparadoxia cecilialina (28-31).

Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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