Amphibian and Reptile Skulls – Morphology of the Vertebrate …
In this lab, we transition from fish skulls to tetrapod skulls. The evolutionary transition of vertebrates from water to land was accompanied by large changes in the demands of feeding, gas exchange, and sensation. Adapting to such large changes in the environment involved major shifts in morphology. By walking … See more
- 1. Identify all of the major elements of the non-mammalian tetrapod skull.
- 2. Recognize the development origin (endochondral or intramembranous) and cranial region (neurocranium, splanchno…
- 3. O… See more
The skulls of modern amphibians (Lissamphibia) are generally simplified relative to those of their ancestors. This includes a great reduction in the number of bones present in the skull through losses and fusions. The three major groups of … See more
The evolutionary transition from water to land was marked by major changes in the skull and skeleton of the early tetrapods. The more derived skulls tend to be longer, due mostly to the … See more
The primitive amniote skull is typically represented by a generalized “reptile” skull. Amniote skulls are usually well-ossified and are much less reduced than lissamphibian skulls. Basal amniotes have a single occipital condyle formed by contributions from the … See more
Dynamic evolutionary interplay between ontogenetic skull ... - Nature
WEBJan 10, 2024 · Skull development in representative lizard (Takydromus sexlineatus) and snake (Pantherophis guttatus) species are visualized with 3D rendering of embryonic …
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Anatomical network analyses reveal evolutionary integration and ...
WEBSep 5, 2022 · In this study, the integration and modularity of the skulls of lizards and the outgroup tuatara are analyzed using a new method, Anatomical Network Analysis (AnNA), …
From embryo to evolution: Insights from the head of …
WEBJan 10, 2024 · By meticulously comparing skull bone and soft tissue shapes, the findings illuminate a gradual emergence of distinctions between snake and lizard heads during their development. Various...
The ecological origins of snakes as revealed by skull evolution
WEBJan 25, 2018 · A century of anatomical and phylogenetic studies have established that snakes evolved from lizards 1, 2, these two groups forming together one of the most …
- Author: Filipe O. Da Silva, Anne-Claire Fabre, Yoland Savriama, Joni Ollonen, Kristin Mahlow, Anthony Herrel...
- Publish Year: 2018
Q&A: How Lizards and Snakes Got Their Skull Shapes
WEBAug 20, 2019 · In our study, we show that diet and habitat influenced the way skulls evolved in both lizards and snakes but in different parts of the skull. We also found that some …
Journal of Morphology | Animal Morphology Journal - Wiley Online …
WEBNov 9, 2004 · A sample of 1,030 lizard skulls from 441 species in 17 families was used to create a lizard skull morphospace. This morphospace was combined with a phylogeny of …
Morphological evolution of the lizard skull: a geometric ... - PubMed
WEBPatterns of diversity among lizard skulls were studied from a morphological, phylogenetic, and functional perspective. A sample of 1,030 lizard skulls from 441 species in 17 …
The Relationship Between Cephalic Scales and Bones …
WEBJan 25, 2010 · In the last two decades, there has been a great deal of interest in the morphology and anatomy of the lizard skull in an ecological and evolutionary perspective. However, the relationship between …
Evolution of the temporal skull openings in land …
WEBJan 10, 2024 · The complex constructions of land vertebrate skulls have inspired a number of functional analyses. In the present study, we provide a basic view on skull biomechanics and offer a framework for more general …
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