Cordilleran Section - 116th Annual Meeting - 2020

Session No. 19
Wednesday, 13 May 2020: 8:00 AM-12:00 PM
San Rafael (The Westin Pasadena)

T2. La Brea Tar Pits: Old Bones and New Insights

 

Donald Prothero, Advocates
Paper #
Start Time
8:00 AM
HOW DO SMALL BIRDS EVOLVE IN RESPONSE TO CLIMATE CHANGE? DATA FROM THE LONG-TERM RECORD AT LA BREA TAR PITS
LONG, Katherine L.1, PROTHERO, Donald1 and SYVERSON, V.J.P.2, (1)Geological Sciences, Cal Poly Pomona, 3801 West Temple Ave, Pomona, CA 91768, (2)Clovis Community College, 10309 N Willow Ave, Fresno, CA 93730
8:20 AM
ONTOGENETIC AGE AND SEX DISTRIBUTIONS OF EQUUS OCCIDENTALIS FROM RANCHO LA BREA, CALIFORNIA, BASED UPON DENTAL AND PELVIC DATA
SCOTT, Eric and GUST, Sherri M., Cogstone Resource Management, 1518 W. Taft Ave., Orange, CA 92865
8:40 AM
AGE-MORTALITY PROFILES IN LA BREA BISON: INSIGHTS INTO POPULATION DYNAMICS AND TAPHONOMY
GALVEZ, Saul, California Polytechnic University, Pomona, 3801 W Temple Ave, Pomona, CA 91768 and PROTHERO, Donald, Geological Sciences, Cal Poly Pomona, 3801 West Temple Ave, Pomona, CA 91768
9:00 AM
HOW GRASSY WERE LATE PLEISTOCENE HABITATS AT RANCHO LA BREA?: FIRST PHYTOLITH RECORDS FROM THE TAR PITS
DUNN, Regan, La Brea Tar Pits and Museum, Natural History Museum of Los Angeles, 5801 Wilshire Blvd, Los Angeles, CA 90036 and RICE, Karin, La Brea Tar Pits and Museum, 5801 Wilshire Blvd., Los Angeles, CA 90036
9:20 AM
DOCUMENTING SEDIMENTARY AND TAPHONOMIC HETEROGENEITY AT RANCHO LA BREA: NEW INSIGHTS FROM QUANTITATIVE APPROACHES
RICE, Karin A.1, MYCHAJLIW, Alexis M.2, TEWKSBURY, Laura R.1, CAMPBELL, Sean C.1, DUNN, Regan E.1 and LINDSEY, Emily L.1, (1)La Brea Tar Pits and Museum, 5801 Wilshire Blvd., Los Angeles, CA 90036, (2)Laboratories of Molecular Anthropology & Microbiome Research, University of Oklahoma, 101 David Boren Blvd, Norman, OK 73019; La Brea Tar Pits and Museum, 5801 Wilshire Blvd., Los Angeles, CA 90036
9:40 AM
A STONE’S THROW THROUGH TIME: TAPHONOMIC VARIATION AMONG PITS AT RANCHO LA BREA
NORIEGA, Nicolas L.1, PITCHER, Ellie1, COHEN, Joshua E.2, DESANTIS, Larisa R.G.3, LINDSEY, Emily4, MEACHEN, Julie5, O'KEEFE, F. Robin6, SOUTHON, John7 and BINDER, Wendy J.2, (1)Biology Department, Loyola Marymount University, 1 LMU Drive, Los Angeles, CA 90045, (2)Department of Biology, Loyola Marymount University, 1 Loyola Maryomount University Dr, Los Angeles, CA 90045, (3)Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, (4)La Brea Tar Pits, Natural History Museum of Los Angeles County, Los Angeles, CA 90036, (5)Anatomy Department, Des Moines University, Des Moines, IA 50312, (6)Department of Biology, Marshall University, Huntington, WV 25755, (7)Earth System Science, University of California, B321 Croul Hall, Irvine, CA 92697
 
10:00 AM
Break
10:15 AM
NEW INSIGHTS FROM THE STABLE ISOTOPES OF BONES AND TEETH FROM RANCHO LA BREA CARNIVORANS
DESANTIS, Larisa R.G.1, FERANEC, Robert2, SOUTHON, John3, BINDER, Wendy J.4, COHEN, Joshua E.4, FARRELL, Aisling B.5, LINDSEY, Emily6, MEACHEN, Julie7, O'KEEFE, F. Robin8 and TAKEUCHI, Gary T.9, (1)Department of Earth and Environmental Sciences, Vanderbilt University, 5703 Stevenson Center Complex, Nashville, TN 37212; La Brea Tar Pits and Museum, Los Angeles, CA 90036; Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, (2)Research & Collections, New York State Museum, 3140 Cultural Education Center, Albany, NY 12230, (3)Earth System Science, University of California, B321 Croul Hall, Irvine, CA 92697, (4)Department of Biology, Loyola Marymount University, 1 Loyola Maryomount University Dr, Los Angeles, CA 90045, (5)Rancho La Brea Section, George C. Page Museum of La Brea Discoveries, 5801 Wilshire Blvd, Los Angeles, CA 90036, (6)La Brea Tar Pits & Museum, 5801 Wilshire Blvd., Los Angeles, CA 90036, (7)Anatomy Department, Des Moines University, Des Moines, IA 50312, (8)Department of Biology, Marshall University, Huntington, WV 25755, (9)La Brea Tar Pits and Museum, 5801 Wilshire Blvd., Los Angeles, CA 90036
10:35 AM
DID SABERTOOTH KITTENS GROW UP MUSCLEBOUND? A STUDY OF POSTNATAL LIMB ALLOMETRY IN FELIDS FROM THE PLEISTOCENE OF RANCHO LA BREA
LONG, Katherine L., Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, MADAN, Meena A., School of Earth Sciences, University of Bristol, Life Sciences Building, 24 Tyndall Avenue, Bristol, BS8 1TQ, United Kingdom, PROTHERO, Donald, Geological Sciences, Cal Poly Pomona, 3801 West Temple Ave, Pomona, CA 91768 and SYVERSON, V.J.P., Clovis Community College, 10309 N Willow Ave, Fresno, CA 93730
10:55 AM
A COMPARISON OF GROWTH AND DWARFING TRENDS OBSERVED IN PLEISTOCENE MAMMOTHS AND MASTODONS: HOW DOES ONTOGENETIC SCALING OF LIMB BONES COMPARE TO CHANGES ASSOCIATED WITH INSULAR DWARFING?
HTUN, Thein, Geological Sciences, California Polytechnic University, Pomona, 3801 W Temple Ave, Pomona, CA 91768, PROTHERO, Donald, Geological Sciences, Cal Poly Pomona, 3801 West Temple Ave, Pomona, CA 91768 and HOFFMAN, Jonathan M., Vertebrate Paleontology, Natural History Museum of Los Angeles County, 900 Exposition Blvd, Los Angeles, CA 90007
11:15 AM
MIRED AND RETIRED: AGE-SELECTIVE COLUMBIAN MAMMOTH (MAMMUTHUS COLUMBI) MORTALITY FROM RANCHO LA BREA, CALIFORNIA AND ITS IMPLICATIONS FOR EVALUATING TOP-DOWN FORCING IN LATE PLEISTOCENE TROPHIC SYSTEMS
PARRY, Lauren E., Department of Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4010; Department of Conservation and Research, Las Vegas Natural History Museum, 900 Las Vegas Boulevard North, Las Vegas, NV 89101 and ROWLAND, Stephen M., Department of Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4010
11:35 AM
DID PRONGHORNS BECOME SMALLER AFTER THE ICE AGES?
DE ANDA, Erin1, BALASSA, Daniella2, PROTHERO, Donald1 and SYVERSON, V.J.P.3, (1)Geological Sciences, Cal Poly Pomona, 3801 West Temple Ave, Pomona, CA 91768, (2)Department of Geological Sciences, California State University Long Beach, 1250 Bellfower Blvd, Long Beach, CA 90840, (3)Clovis Community College, 10309 N Willow Ave, Fresno, CA 93730
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