[Rockhounds] Mosasaur Bites Ammonite ?

[Paul]

The Mark of the Mosasaur: A 90-million-year-old bite

mark raises questions about what seagoing lizards really ate

By Brian Switek on April 27, 2017

Gale, A., Kennedy, W., Martill, D. 2017. Mosasauroid predation

on an ammonite – Pseudaspidoceras – from the Early Turonian

of south-eastern Morocco. Acta Geologica Polonica.

doi: 10.1515/agp-2017-0003

https://geojournals.pgi.gov.pl/agp/article/view/25689

Some other papers:

Kauffman, E.G. and Kesling, R.V., 1960. An Upper Cretaceous

ammonite bitten by a mosasaur. Contrib.Mus. Paleontol.Univ.

Mich. 15:193-248

https://deepblue.lib.umich.edu/bitstream/handle/2027.42/48337/ID178.pdf;sequence=2

Kase, T., Johnston, P.A., Seilacher, A. and Boyce, J.B., 1998.

Alleged mosasaur bite marks on Late Cretaceous ammonites

are limpet (patellogastropod) home scars. Geology, 26(10),

pp.947-950.

http://geology.gsapubs.org/content/26/10/947.short

Tsujita, C.J. and Westermann, G.E., 2001. Were limpets or mosasaurs

responsible for the perforations in the ammonite Placenticeras?.

Palaeogeography, Palaeoclimatology, Palaeoecology, 169(3), pp.245-270.

http://www.sciencedirect.com/science/article/pii/S0031018201002206

Klompmaker, A.A., Waljaard, N.A. and Fraaije, R.H., 2009. Ventral

bite marks in Mesozoic ammonoids. Palaeogeography,

Palaeoclimatology, Palaeoecology, 280(1), pp.245-257.

http://www.sciencedirect.com/science/article/pii/S0031018209002296

https://www.researchgate.net/profile/Adiel_Klompmaker/publication/229134933_Ventral_bite_marks_in_Mesozoic_ammonoids/links/0deec51cff63b6dcba000000.pdf

Hewitt, R.A. and Westermann, G.E.G., 1990. Mosasaur tooth marks on the 
ammonite Placenticeras from the Upper Cretaceous of Alberta, Canada. 
Canadian Journal of Earth Sciences, 27(3), pp.469-472.

http://www.nrcresearchpress.com/doi/abs/10.1139/e90-042#.WRPHjlKZMk5

Yours,


Paul H.