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Repeated Origin and Loss of Adhesive Toepads in Geckos
A multigene phylogeny of geckos is presented, including 107 of 118 recognized genera, and it is determined that adhesive toepads have been gained and lost multiple times, and remarkably, with approximately equal frequency.
Terminonaris (Archosauria: Crocodyliformes): new material from Saskatchewan, Canada, and comments on its phylogenetic relationships
A phylogenetic analysis based upon data drawn from the new material suggests that Terminonaris is not a pholidosaurid but is, instead, closely related to Dyrosaurus, and continues to support the hypothesis that long-snouted crocodyliforms of the traditional “mesosuchian grade” form a clade.
An integrative phylogenetic and extrapolatory approach to the reconstruction of dromaeosaur (Theropoda: Eumaniraptora) shoulder musculature
Osteological correlates of shoulder musculature preserved in eumaniraptorans are identified, and comparisons with those of extant archosaurs allow these muscles to be definitively inferred in dromaeosaurids.
Phylogenetic relationships within the extant Mustelidae (Carnivora): appraisal of the cladistic status of the Simpsonian subfamilies
Abstract Cladistic analysis of extant mustelids based on a data matrix consisting of 30 characters derived from morphological study of the head skeleton in all 23 genera, and 16 characters gleaned…
A phylogeny of Plesiosauria (Sauropterygia) and its bearing on the systematic status of Leptocleidus Andrews, 1922
A cladistic analysis including Leptocleidus and a new, apparently morphologically similar specimen from Alberta, was undertaken to assess their phylogenetic position within Plesiosauria, and results indicate a basal dichotomous split into the traditionally recognized pliosauroidea and plesiosauroid clades.
Skeletal anatomy of anexceptionally complete specimen of a new genus of plesiosaur from theEarly Cretaceous (Early Albian) of northeastern Alberta, Canada
A redescription of the skull of Euoplocephalus tutus (Archosauria: Ornithischia): a foundation for comparative and systematic studies of ankylosaurian dinosaurs
A relative abundance of more recently collected and prepared cranial material attributable to Euoplocephalus enables a reappraisal of this taxon (including the type specimen), and permits it to be employed as a morphological representative of the clade.
Integrative Functional Morphology of the Gekkotan Adhesive System (Reptilia: Gekkota)1
- A. Russell
- BiologyIntegrative and comparative biology
- 1 December 2002
The perpendicular and parallel preloads associated with setal attachment are now reconcilable with other morphological aspects of the gekkotan adhesive system—the lateral digital tendon complex and the vascular sinus network, respectively.
Paleobiogeography of the Cretaceous Western Interior Seaway of North America: the vertebrate evidence
A contribution to the functional analysis of the foot of the Tokay, Gekko gecko (Reptilia: Gekkonidae)
- A. Russell
- 1 August 1975
The acquisition of adhesive pads by Gekko has resulted in the development of a very distinctive mode of locomotion which has become modified both to deploy and, at the same time, protect the delicate subdigital setae.