Paleobiological implications of Campanian coprolites

Rosa, Rubén A. Rodrı́guez-de la; Cevallos-Ferriz, Sergio R.S.; Silva‐Pineda, Alicia

doi:10.1016/s0031-0182(98)00052-2

Cited by 81 publications

(40 citation statements)

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“…Coprolites attributed to hadrosaurs on the basis of their size, form, and spatial association with skeletal remains contain fragments of gymnosperm wood, foliage, and seeds (Chin and Gill 1996;Baghai-Riding and DiBenedetto 2001;Tweet et al 2008). Some coprolites possibly attributable to dinosaurian herbivores contain leaf cuticle, stem fragments, and abundant small angiosperm seeds (Nambudiri and Binda 1989;Rodriguez de la Rosa et al 1998). Such evidence may support the notion that dinosaurs were indiscriminant browsers and only facultative seed dispersal agents (Tiffney 2004).…”

Section: Palms and Dinosaur Herbivorymentioning

confidence: 85%

Fossil Palms (Arecaceae, Coryphoideae) Associated with Juvenile Herbivorous Dinosaurs in the Upper Cretaceous Aguja Formation, Big Bend National Park, Texas

Manchester¹,

Lehman

Wheeler

2010

International Journal of Plant Sciences

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Seeds of two palm species conforming to the extant genus Sabal have been recovered from the C^ampanian (Upper Cretaceous) Aguja Formation of Big Bend National Park, Texas: Sabal bigbendense sp. nov. and Sabal bracknellense (Chandler) Mai. These remains, found together with anatomically preserved palm stems, augment previous reports of Sabalites ungeri (Lesq.) Dorf leaves from the same formation. The co-occurrence of palm seeds with numerous juvenile hadrosaur and ceratopsian bones indicates that palms closely related to modern cabbage palms may have provided fodder and shelter for young herbivorous dinosaurs. The distribution of these and other Late Cretaceous palm fossils is reviewed.

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Section: Palms and Dinosaur Herbivorymentioning

confidence: 85%

Fossil Palms (Arecaceae, Coryphoideae) Associated with Juvenile Herbivorous Dinosaurs in the Upper Cretaceous Aguja Formation, Big Bend National Park, Texas

Manchester¹,

Lehman

Wheeler

2010

International Journal of Plant Sciences

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“…Among them, seeds of Eocaltha zoophilia Rodriguez‐de la Rosa, Cevallos‐Rerriz & Silva‐Pineda from the late Cretaceous (Campanian, ca. 71–84 mya) in Mexico were regarded as the close relative of the extant aquatic Caltha (Rodriguez‐de la Rosa et al, ). The reconstruction of the seeds as well as their integumentary features supported its relationship with the Ranunculaceae (Rodriguez‐de la Rosa et al, ).…”

Section: Methodsmentioning

confidence: 99%

“…71–84 mya) in Mexico were regarded as the close relative of the extant aquatic Caltha (Rodriguez‐de la Rosa et al, ). The reconstruction of the seeds as well as their integumentary features supported its relationship with the Ranunculaceae (Rodriguez‐de la Rosa et al, ). The seeds have a two‐chambered body with a basal locule that houses the embryo and an apical chamber that serves to catch air and act as a flotation device.…”

Section: Methodsmentioning

confidence: 99%

Molecular phylogeny and historical biogeography of Caltha (Ranunculaceae) based on analyses of multiple nuclear and plastid sequences

Cheng

Xie

2013

J of Sytematics Evolution

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Caltha is a widely distributed genus in the buttercup family (Ranunculaceae) showing interesting distribution patterns in both hemispheres. Evolutionary history of Caltha was examined by means of phylogenetic, molecular dating, and historical biogeographic analyses with a more comprehensive sampling than previous studies. The internal transcribed spacer from the nuclear genome and trnL‐F and atpB‐rbcL regions from the plastid genome were used and analyzed using parsimony and Bayesian methods. Divergence time was estimated using Bayesian dating analyses with multiple fossil calibrations. Historical biogeography was inferred using the Bayes‐DIVA method implemented in RASP. We obtained a well‐resolved and well‐supported phylogeny within the Caltha lineage. Caltha natans Pall. diverged first from the genus and the other species grouped into two clades. Our expanded sampling scheme revealed a complicated evolutionary pattern in the C. palustris complex. Caltha sinogracilis W. T. Wang was resolved to be a member of the C. palustris complex, rather than closely related to C. scaposa Hook. f. & Thomson. Caltha rubriflora B. L. Burtt & Lauener was also revealed to be not just a red‐flower form of C. sinogracilis. The diversification of the genus began at 50.5 mya (95% high posterior density: 37.1–63.9 mya), and its ancestral range was very probably in the Northern Hemisphere. The South American species may derive from western North American ancestors that dispersed along the western American Cordillera during the Cenozoic era. The vicariance model of the Southern Hemisphere species proposed by a previous study was rejected in this study.

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“…Younger records of Lythrum pollen are from the Pliocene of Germany ( Menke, 1976 ), whereas Lythrum and Peplis pollen grains are also known from the Pliocene of eastern Macedonia, Greece ( Wijmstra, 1969 ). Graham and Graham, 1971 ; Rodr í guez-de la Rosa et al, 1998 ;Graham et al, 2005 ;Estrada-Ruiz et al, 2009 ). All records before this study are younger than 10 Ma.…”

Section: Peplis Yakutiana Sp Nov ( Figs 4j -L 5a -C ;mentioning

confidence: 99%

Lythrum and Peplis from the Late Cretaceous and Cenozoic of North America and Eurasia: New evidence suggesting early diversification within the Lythraceae

Grímsson

Zetter

Hofmann

2011

American J of Botany

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The appearance of Lythrum and Peplis in North America and Peplis in Asia at approximately the same interval in the mid Late Cretaceous points to an already wide geographical distribution by then. These findings add vital information for the time of origin of the Lythraceae and suggest a higher diversity within the family. They also indicate that the distribution of particular genera during the Cretaceous was wider than previously thought.

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Paleobiological implications of Campanian coprolites

Cited by 81 publications

References 0 publications

Fossil Palms (Arecaceae, Coryphoideae) Associated with Juvenile Herbivorous Dinosaurs in the Upper Cretaceous Aguja Formation, Big Bend National Park, Texas

Fossil Palms (Arecaceae, Coryphoideae) Associated with Juvenile Herbivorous Dinosaurs in the Upper Cretaceous Aguja Formation, Big Bend National Park, Texas

Molecular phylogeny and historical biogeography of Caltha (Ranunculaceae) based on analyses of multiple nuclear and plastid sequences

Lythrum and Peplis from the Late Cretaceous and Cenozoic of North America and Eurasia: New evidence suggesting early diversification within the Lythraceae

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