@Lecture13_9

@Lecture13_9 - 29 What are ichnofossils? What are the major...

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1 1 Fall 2009, GEL 107: Lecture 13 PALEOBIOLOGY 2 Trace fossils 3 What are ichnofossils? What are the major types of trace fossils? What can trackway fossils tell us? What can coprolite and ejecta tell us? What can burrow and nest fossils tell us? Questions 4 Ichnofossils Fossilized traces of organisms, but not the organisms themselves 5 What are ichnofossils? What are the major types of trace fossils? What can trackway fossils tell us? What can coprolite and ejecta tell us? What can burrow and nest fossils tell us? Questions 6 Trackway 7 Coprolites 8 Ejecta 9 Nests/Burrows
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2 10 What are ichnofossils? What are the major types of trace fossils? What can trackway fossils tell us? What can coprolite and ejecta tell us? What can burrow and nest fossils tell us? Questions 11 Walking/Running Speed 12 13 14 15 Stride length Leg length Speed Leg length x gravitational acceleration 16 17 18 L R AN G SL 4 3 2 ab Day et al. (2002) 6.8 km/h 29.2 km/h Hip height 1.98 m
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3 19 Foot Motion 20 21 22 Posture 23 24 25 26 Group Behavior (?) 27
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4 28 Body Mass?
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Unformatted text preview: 29 What are ichnofossils? What are the major types of trace fossils? What can trackway fossils tell us? What can coprolite and ejecta tell us? What can burrow and nest fossils tell us? Questions 30 Coprolites 31 Ejecta 32 What are ichnofossils? What are the major types of trace fossils? What can trackway fossils tell us? What can coprolite and ejecta tell us? What can burrow and nest fossils tell us? Questions 33 Nest 34 Ovary Number Egg Number 35 36 Parental Care 5 37 38 39 40 Oviraptor Saurischia Late Cretaceous Theropoda Coelurosauria Maniraptora Oviraptosauroidea Up to 2.5 m 41 Maiasaura Late Cretaceous 42 43 Burrow 44 Posture 45 6 46 47 Lifestyle 48 ht p:/ www.proctormuseum.us/Nebraska/Nebraska%20Fossils/Ter estrial%20Beaver%20Dens/Paleocastor.htm ht p:/ peer.tamu.edu/cur iculum_modules/Ecosystems/module_2/howweknow.htm Paleocaster 49 Parental Care...
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@Lecture13_9 - 29 What are ichnofossils? What are the major...

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