Real FOSSIL MOSASAUR TOOTH - Excellent Fossil - Creataceous Period (65 Million Years+) - FOSSIL DINOSAUR TOOTH - Great Gift Idea

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Mosasaurs breathed air, were powerful swimmers, and were well-adapted to living in the warm, shallow inland seas prevalent during the Late Cretaceous period. Mosasaurs were so well adapted to this environment that they most likely gave birth to live young, rather than returning to the shore to lay eggs as sea turtles do. [2] a b c d e Caitlin R. Kiernan (2002). "Stratigraphic distribution and habitat segregation of mosasaurs in the Upper Cretaceous of western and central Alabama, with a historical review of Alabama mosasaur discoveries". Journal of Vertebrate Paleontology. 22 (1): 91–103. doi: 10.1671/0272-4634(2002)022[0091:sdahso]2.0.co;2. S2CID 130280406. a b Mark Witton (May 17, 2019). "The science of the Crystal Palace Dinosaurs, part 2: Teleosaurus, pterosaurs and Mosasaurus". Mark Witton.com. Archived from the original on June 3, 2019. The number of prisms in M. conodon and number of lingual prisms in M. lemonnieri are uncertain. [42] Alberto L. Cione; Sergio Santillana; Soledad Gouiric-Cavalli; Carolina Acosta Hospitaleche; Javier N. Gelfo; Guillermo M. Lopez; Marcelo Reguero (2018). "Before and after the K/Pg extinction in West Antarctica: New marine fish records from Marambio (Seymour) Island". Cretaceous Research. 85: 250–265. Bibcode: 2018CrRes..85..250C. doi: 10.1016/j.cretres.2018.01.004. hdl: 10915/147537. S2CID 133767014.

a b c d e f g h i j k l m n o p Hallie P. Street (2016). A re-assessment of the genus Mosasaurus (Squamata: Mosasauridae) (PDF) (PhD). University of Alberta. doi: 10.7939/R31N7XZ1K. S2CID 92749266. Michael J. Polcyn; Louis L. Jacobs; Ricardo Araújo; Anne S.Schulp; Octávio Mateus (2014). "Physical drivers of mosasaur evolution" (PDF). Palaeogeography, Palaeoclimatology, Palaeoecology. 400 (15): 17–27. Bibcode: 2014PPP...400...17P. doi: 10.1016/j.palaeo.2013.05.018. a b Gorden L. Bell Jr.; M. Amy Sheldon; James P. Lamb; James E. Martin (1996). "The first direct evidence of live birth in Mosasauridae (Squamata): Exceptional preservation in Cretaceous Pierre Shale of South Dakota". Journal of Vertebrate Paleontology. 16 (suppl. to 3): 21A. doi: 10.1080/02724634.1996.10011371. Eric W. A. Mulder; Dirk Cornelissen; Louis Verding (2004), "Is Mosasaurus lemonnieri a juvenile Mosasaurus hoffmanni? A discussion", in J. W. M. Jagt; A. S. Schulp (eds.), First Mosasaur Meeting, Maastricht, pp.62–66 {{ citation}}: CS1 maint: location missing publisher ( link)

4 Age of the Pondoland Mosasaurids

David J. Cicimurri; Gorden L. Bell, Jr.; Philip W. Stoffer (1999). "Vertebrate Paleontology of the Pierre Shale and Fox Hills Formations (Late Campanian-Late Maastrichtian) of Badlands National Park, South Dakota" (PDF). National Park Service Paleontological Research. 4: 1–7. Scientists during the early and mid-1800s initially imagined Mosasaurus as an amphibious marine reptile with webbed feet and limbs for walking. This was based on fossils like the M. missouriensis holotype, which indicated an elastic vertebral column that Goldfuss in 1845 saw as evidence of an ability to walk and interpretations of some phalanges as claws. [30] In 1854, Hermann Schlegel proved how Mosasaurus actually had fully aquatic flippers. He clarified that earlier interpretations of claws were erroneous and demonstrated how the phalanges show no indication of muscle or tendon attachment, which would make walking impossible. They are also broad, flat, and form a paddle. Schlegel's hypothesis was largely ignored by contemporary scientists but became widely accepted by the 1870s when Othniel Charles Marsh and Cope uncovered more complete mosasaur remains in North America. [16] [43] Thomas R. Holtz (2006). "GEOL 104 Lecture 38: The Cretaceous-Tertiary Extinction III: Not With a Bang, But a Whimper". University of Maryland Department of Geology. Archived from the original on March 13, 2012.

Adriaan Gilles Camper (1812). "Mémoire sur quelques parties moins connues du squelette des sauriens fossiles de Maestricht". Annales du Muséum d'histoire naturelle (in French). 19: 215–241. Anne S. Schulp; Michael J. Polcyn; Octavio Mateus; Louis L. Jacobs; Maria Lusia Morais; Tatiana da Silva Tavares (2006). "New mosasaur material from the Maastrichtian of Angola, with notes on the phylogeny, distribution, and paleoecology of the genus Prognathodon" (PDF). Publicaties van het Natuurhistorisch Genootschap in Limburg. 45 (1): 57–67. ISSN 0374-955X.a b c John A. Robbins (2010). Investigating Holocene climate change on the northern Channel Islands and Cretaceous mosasaur ecology using stable isotopes (PhD). Southern Methodist University. ISBN 978-1-124-43286-1. Archived from the original on June 21, 2021. a b c d Carolyn Gramling (October 26, 2016). "Ancient sea monster battle revealed in unusual fossil". Science. doi: 10.1126/science.aal0310. Johan Lindgren; Michael W. Caldwell; Takuya Konishi; Luis M. Chiappe (2010). "Convergent Evolution in Aquatic Tetrapods: Insights from an Exceptional Fossil Mosasaur". PLOS ONE. 5 (8): e11998. Bibcode: 2010PLoSO...511998L. doi: 10.1371/journal.pone.0011998. PMC 2918493. PMID 20711249. a b Louis Dollo (1892). "Nouvelle note sur l'osteologie des mosasauriens". Bulletin de la Société belge de géologie, de paléontologie et d'hydrologie (in French). 6: 219–259. ISSN 0037-8909. International Commission on Zoological Nomenclature (2012). "Article 8. What constitutes published work". International Code of Zoological Nomenclature (4thed.) . Retrieved July 16, 2021.