Results 121 to 130 of about 15,942 (283)
The Anatomical Record, EarlyView.A new musculoskeletal reconstruction and revision of the cranio‐mandibular anatomy of the Devonian arthrodire placoderm Dunkleosteus terrelli from a comparative and functional anatomical perspective. Dunkleosteus is a specialized arthrodire with many specializations for feeding on large vertebrates, and many of its features are part of broader ...
Russell K. Engelman +4 more
wiley +1 more source
The Anatomical Record, EarlyView.Abstract The study of morphological evolution is fundamentally tied to ontogeny, yet studies of these heterochronic processes in the fossil record are rare. Fossils belonging to an ontogenetic series are difficult to assign to an ontogenetic stage due to inconsistent proxies for skeletal ages, challenging to taxonomically assign due to morphological ...
Erika R. Goldsmith, Michelle R. Stocker
wiley +1 more source
A new species of Therion from the Sierras de Cordoba in northwest Argentina (Hymenoptera: Ichneumonidae: Anomalinae) [PDF]
, 2002 Therion fidalgoi n. sp. is described from the Sierras de Cordoba in the upland subtropical thorn scrub of northwest Argentina. It differs from other South American Therion because of its strongly elevated, bilobed ocellar area, bidentate mandible, and ...
Porter, Charles C.
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3D anatomical atlas of the heads of male and female adult Chamaeleo calyptratus
The Anatomical Record, EarlyView.The veiled chameleon is a model organism in reptile development research. Utilizing contrast‐enhanced microCT and deep learning segmentation models, we have generated the first digital atlases of the skull, nervous system, cranial muscles and hyolingual muscles.
Alice Leavey +3 more
wiley +1 more source
Bioscience Journal, 2009 Objetivou-se, avaliar morfometricamente o forame mandibular, em gatos sem raça definida, visando ainda estabelecer de forma mais precisa sua topografia, com vistas a oferecer subsídios para um bloqueio anestésico local mais efetivo do nervo alveolar ...
Rogério Magno do Vale Barroso +3 more
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Morfologi Sistem Pencernaan Beberapa Jenis Coleoptera Perombak Kayu Lapuk [PDF]
, 1979 Pada dasarnya tipe mulut serangga dibagi menjadi 2 golongan besar yaitu tipe pengunyah dan tipe pengisap (Boiror & De Long 1954).Mulut bertipe pengunyah ditandai dengan mandibula kuat yang dapat digerakkan ke samping.
ADISOEMARTO, S. (S) +2 more
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Skeletal pathologies in extant crocodilians as a window into the paleopathology of fossil archosaurs
The Anatomical Record, EarlyView.Abstract Crocodilians, together with birds, are the only extant relatives to many extinct archosaur groups, making them highly important for interpreting paleopathological conditions in a phylogenetic disease bracketing model. Despite this, comprehensive data on osteopathologies in crocodilians remain scarce.
Alexis Cornille +6 more
wiley +1 more source
The Anatomical Record, EarlyView.Abstract Despite documented ecomorphological shifts toward an herbivorous diet in several coelurosaurian lineages, the evolutionary tempo and mode of these changes remain poorly understood, hampered by sparse cranial materials for early representatives of major clades. This is particularly true for Therizinosauria, with representative crania best known
William J. Freimuth, Lindsay E. Zanno
wiley +1 more source
The Anatomical Record, EarlyView.Abstract Neandertals are known to possess very distinctive traits in their bony labyrinth morphology, such as an inferiorly positioned posterior canal and a very low number of turns in the cochlea. Hence, the inner ear has been often used to assess the Neandertal status of fragmentary fossils.
Alessandro Urciuoli +6 more
wiley +1 more source
Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)
The Anatomical Record, EarlyView.Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto +3 more
wiley +1 more source