Nomenclature of Vertebral Laminae in Lizards, with Comments on Ontogenetic and Serial Variation in Lacertini (Squamata, Lacertidae)

PloS One
Emanuel Tschopp

Abstract

Vertebral laminae are bony ridges or sheets that connect important morphological landmarks on the vertebrae, like diapophyses or zygapophyses. They usually exhibit some serial variation throughout the column. A consistent terminology facilitates the morphological description of this variation, and the recognition of patterns that could be taxonomically significant and could serve as phylogenetic characters. Such a terminology was designed for saurischian dinosaurs, and has also been applied to other members of Archosauriformes. Herein, this terminology is applied for the first time to lizards (Squamata). Probably due to their generally smaller size compared to saurischian dinosaurs, lizards have less developed vertebral laminae. Some laminae could not be recognized in this group and others require new names to account for differences in basic vertebral morphology. For instance, the fusion of diapophysis and parapophysis in lacertids into a structure called synapophysis necessitates the creation of the new term synapophyseal laminae for both diapophyseal and parapophyseal laminae. An assessment of occurrence and serial variation in a number of lacertid species shows that some laminae develop throughout ontogeny or only occur in ...Continue Reading

References

May 4, 2010·Developmental Biology·Moises MalloJacqueline Deschamps
May 1, 2013·BMC Evolutionary Biology·R Alexander PyronJohn J Wiens
Apr 23, 2014·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Beatriz ChameroIoannis Sarris
Jun 19, 2015·Proceedings. Biological Sciences·Christine BöhmerGert Wörheide

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Citations

Jul 11, 2016·Molecular Phylogenetics and Evolution·Karin TamarShai Meiri
Mar 9, 2018·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Lucy Gomes de Souza
Dec 9, 2020·Biological Reviews of the Cambridge Philosophical Society·Christopher T GriffinSterling J Nesbitt

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