Hamulinidae
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Hamulinidae is an extinct ammonoid cephalopod family belonging to the order Ammonitida.[1] These cephalopod were fast-moving nektonic carnivores. They lived during the Lower Cretaceous period (Lower Barremian - Upper Barremian).
Description
The long main shaft is followed by a hook and a shorter, close, parallel or slightly divergent final shaft. The ammonitic suture is with a subtrifid L. The U is usually reduced or indifferentiated in adults.
Genera
Notes
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- ^ Page Template:Smallcaps/styles.css has no content.Wright, C. W. with Page Template:Smallcaps/styles.css has no content.Callomon, J.H. and Page Template:Smallcaps/styles.css has no content.Howarth, M.K. (1996), Mollusca 4 Revised, Cretaceous Ammonoidea, vol. 4, in Treatise on Invertebrate Paleontology, Part L (Roger L. Kaesler et el. eds.), Boulder, Colorado: The Geological Society of America & Lawrence, Kansas: University of Kansas Press, pp. 230-232.
References
- Page Module:Citation/CS1/styles.css has no content."Hamulinidae". The Paleobiology Database. Retrieved 13 June 2022.
- Page Module:Citation/CS1/styles.css has no content."Hamulinidae". mindat.org. Retrieved 13 June 2022.
- Page Module:Citation/CS1/styles.css has no content.Wright C.W. with J.H. Callomon and M.K. Howarth (1996). "Mollusca 4 Revised: Cretaceous Ammonoidea". In Roger L. Kaesler (ed.). Treatise on Invertebrate Paleontology Part L. Vol. 4. Boulder, Colorado and Lawrence, Kansas: The Geological Society of America & University of Kansas Press. p. 230-232 – via Internet Archive.
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