Meeting Abstract 38-2  Sunday, Jan. 5 08:15 – 08:30  Regionalized contributions of the epaxial musculature to swimming and suction feeding in bluegill sunfish JIMENEZ, YE*; BRAINERD, EL; Brown University; Brown University yordano_jimenez@brown.edu Many fishes can recruit the axial musculature for both swimming and suction feeding, yet little is known about how this dual-function muscle operates under the […]

Meeting Abstract 38-1  Sunday, Jan. 5 08:00 – 08:15  How do Muscle Length and Activation Interact to Determine Muscle Force Production? RICE, N*; JEONG, S; NISHIKAWA, K; Northern Arizona University; Northern Arizona University; Northern Arizona University kiisa.nishikawa@nau.edu https://in.nau.edu/nishikawa-lab/ Previous studies demonstrated dissociation of muscle activation and force during in vivo treadmill running over obstacles in the lateral […]

Meeting Abstract 38-5  Sunday, Jan. 5 09:00 – 09:15  Function of cervical muscles during human running BOYNTON, AM*; CARRIER, DR; University of Utah; University of Utah alicia.boynton@utah.edu Core musculature functions to stabilize the pelvis and trunk against moments imposed by activity of extrinsic limb muscles. Conventionally, the human core is thought to include the axial muscles located […]

Meeting Abstract 38-3  Sunday, Jan. 5 08:30 – 08:45  A Specialized Muscular System Enables Highly Dynamic Wing Motions in Passerine Birds WOOD, LJ*; TOBALSKE, BW; ALTSHULER, DL; University of British Columbia, Vancouver; University of Montana, Missoula; University of British Columbia, Vancouver leo.w@zoology.ubc.ca Previous work indicates that strong coupling of elbow and wrist motion in birds results in […]

Meeting Abstract 37-7  Sunday, Jan. 5 09:30 – 09:45  What does it take to make an eel? Convergence and adaptation in the evolution of an eel-like body plan STAYTON, CT*; PRICE, SA; WAINWRIGHT, PC; FRIEDMAN, ST; Bucknell University; Clemson University; UC Davis; UC Davis tstayton@bucknell.edu True eels (Anguilliformes) are characterized by a distinctive elongate morphology. Ichthyologists have […]

Meeting Abstract 37-3  Sunday, Jan. 5 08:30 – 08:45  The evolution of dermal rays in tetrapodomorph paired fins STEWART, TA*; LEMBERG, JB; SHUBIN, NH; The University of Chicago; The University of Chicago; The University of Chicago tomstewart@uchicago.edu http://tomstewartscience.org Paleontological studies of the fin-to-limb transition have focused almost exclusively on endoskeletal evolution. However, comparative analyses of dermal fin […]

Meeting Abstract 37-8  Sunday, Jan. 5 09:45 – 10:00  The Evolutionary Origin of the Filter-feeding Larval Phase in Lampreys MIYASHITA, T*; GESS, RW; COATES, MI; University of Chicago, Chicago, IL; Albany Museum, Makhanda, South Africa; University of Chicago, Chicago, IL tetsuto@uchicago.edu http://coateslab.uchicago.edu/people/tetsutomiyashita/ The ontogeny of lampreys holds a special place in the historical development of ideas about […]

Meeting Abstract 37-1  Sunday, Jan. 5 08:00 – 08:15  Predicting habitat preferences of Hesperornis (Aves: Hesperornithiformes) in the Western Interior Seaway through occupancy modeling CHAPMAN, BR*; WILSON, LE; Fort Hays State University, Hays, KS brchapman@mail.fhsu.edu In the Late Cretaceous, North America was divided by the Western Interior Seaway (WIS), a shallow epicontinental sea. Native vertebrate life included […]

Meeting Abstract 37-4  Sunday, Jan. 5 08:45 – 09:00  Living on the edge: ecology of the extinct Noble marten as determined by morphological and isotopic evidence LYNCH, LM*; MCKENNA, ME; DUDGEON, JV; Washington University in St. Louis School of Medicine; Idaho State University; Center for Archaeology, Materials, and Applied Spectroscopy Center leigha.marie.lynch@gmail.com The end of the Pleistocene […]

Meeting Abstract 37-6  Sunday, Jan. 5 09:15 – 09:30  Crocodyliform Cranial Constraint and Convergence FELICE, RN*; POL, D; O’CONNOR, PM; GOSWAMI, A; UCL, London; CONICET, Trelew; Ohio University, Athens, OH; NHM, London ryan.felice@ucl.ac.uk Mesoeucrocodylia (alligators, crocodiles, gharial, and their extinct relatives) is a surprisingly diverse clade of archosaurs that includes carnivorous, omnivorous, herbivorous forms that once occupied […]