Phosphate mine dinosaur tooth?

[Haravex]

I was offered this tooth it has serrations but it looks more mosasaur shaped. Any input is appreciated @LordTrilobite you have a decent amount of experience in dealing with mosasaur material correct?

[JarrodB]

It looks like a mosasaur tooth to me. 

[ynot]

Looks like mosasaur for Me too.

[Haravex]

Do some mosasaur have serrations?

[gigantoraptor]

I do have a mosasaur tooth with tiny serrations. They do occur but are more often found without.

[JarrodB]

Just now, Haravex said:

Do some mosasaur have serrations?

Well known mosasaur experts such as Polcyn have documented serrated carinae within the Mosasaurinae. Here's a quote from an article discussing it.

 

The presence of carinal serrations in Prognathodon

currii, P. overtoni, P. rapax, P. solvayi, and Plesiotylosaurus

crassidens renders use of this feature equivocal (Bell,

1997; Christiansen and Bonde, 2002; Bardet et al., 2005a; Lindgren,

2009). These taxa share this feature with Eremiasaurus,

Mosasaurus, and Plotosaurus, but not Globidens (Bell, 1997).

Furthermore, if this can be interpreted as a loss of carinal serrations

in Globidens due to extreme inflation of the tooth crowns

(Bell, 1997), it is more parsimonious to assume that the presence

of these dental features in Prognathodon and the plotosaurine

mosasaurs are homologous characters that unite them to the exclusion

of Globidens (contra Bell, 1997; Christiansen and Bonde,

2002; Schulp, 2006; Polcyn et al., 2010). Alternatively, the traditional

hypothesis of a close relationship between Globidens and

Prognathodon indicates at least two independent acquisitions of

serrated carinae within the Mosasaurinae.

A New Mosasaurine from the Maastrichtian (Upper Cretaceous) Phosphates of Morocco and Its Implications for Mosasaurine Systematics. LeBlanc, Caldwell, and Bardet. 2012. Journal of Vertebrate Paleontology, 32 (1): 82-104.

 

 

[LordTrilobite]

Does indeed look like Mosasaur.

 

Some mosasaurs have serrations on their teeth, some don't.

[Haravex]

Thanks for all the help guys I really appreciate it I can identify pterosaur vertbrae and bones due to characteristics also I frequently handle fragments from the kem kem beds so there is an overlap of knowledge and experience, but reptiles I have no overlap in experience.

Again thanks for all your help.