hamitocone
English
[edit]
Noun
[edit]hamitocone (plural hamitocones)
- (malacology) An organism or fossil with a hamitoconic shell, or the shell itself.
- 1998, CJ Tsujita, GEG Westermann, “Ammonoid habitats and habits in the Western Interior Seaway: a case study from the Upper Cretaceous Bearpaw Formation of southern Alberta, Canada”, in Palaeogeography, Palaeoclimatology …:
- In scaphitocones, the `pendulum effect' created by this separation was not as highly pronounced as in true ancylocones and hamitocones with open whorls throughout […]
- 2002, MA Hassan, GEG Westermann, RA Hewitt et al., "Finite-element analysis of simulated ammonoid septa (extinct Cephalopoda): septal and sutural complexities do not reduce strength":
- Lytoceras and certain heteromorphs (eg, ancylocones, hamitocones) are the most appropriate for modeling because they exhibit the relevant features but are not overly complicated […]
- 2005, S. Reboulet, F. Giraud, O. Proux, "Ammonoid abundance variations related to changes in trophic conditions across the Oceanic Anoxic Event 1d (Latest Albian, SE France)", Palaios
- […] the shell would be easier in orthocones and torticones, which were oriented vertically in life with an aperture towards the bottom, than for scaphitocones, ancylocones, and hamitocones, […]
- 2018, E. B. Olivero, M. E. Raffi, “Onshore-offshore trends in Campanian ammonite facies from the Marambio group, Antarctica: implications for ammonite habitats”, in Cretaceous Research:
- This pattern suggests that hamitocones were exposed to extensive post-mortem drift. […] Contrary to the lytoceratids and kossmaticeratids, hamitocones are characterized by a more […]
Further reading
[edit]- 2016 November 30, Sreepat Jain, Fundamentals of Invertebrate Palaeontology: Macrofossils, Springer, →ISBN, page 56:
- Hamitocone: These shells form two or more straight shafts [Fig. 3.16(7, 11)] […]
- 2013 November 21, Neil H. Landman, Kazushige Tanabe, Richard Arnold Davis, Ammonoid Paleobiology, Springer Science & Business Media, →ISBN, page 831:
- Hamitocone, hamitoconic: Refers to a shell with two or more straight shafts, e.g., Hamitoceras.