Mitochondrial Dna Replacement Versus Nuclear Dna Persistence
, 2006 In this paper we consider two populations whose generations are not overlapping and whose size is large. The number of males and females in both populations is constant.
Cann R L +6 more
core +1 more source
Paleoanthropology Society Meeting Abstracts, Los Angeles, CA, 19–20 March 2024
PaleoAnthropologys for the Paleoanthropology Society meetings.
PAS: Paleoanthropology Society
doaj +1 more source
Temporal and phylogenetic evolution of the sauropod dinosaur body plan [PDF]
, 2016 The colossal size and body plan of sauropod dinosaurs are unparalleled in terrestrial vertebrates. However, to date, there have been only limited attempts to examine temporal and phylogenetic patterns in the sauropod bauplan.
Allen, V +9 more
core +4 more sources
Paleoanthropology Society Meeting Abstracts, Denver, CO, 22–23 April 2025
PaleoAnthropologys of the 2025 Paleoanthropology Society Meeting.
PAS: Paleoanthropology Society
doaj +1 more source
An Early Cretaceous enantiornithine (Aves) preserving an unlaid egg and probable medullary bone
Nature Communications, 2019 The fossil record of the reproductive traits of early birds is limited. Here, Bailleul and colleagues describe the Cretaceous enantiornithine bird Avimaia schweitzerae, which preserves an unlaid egg in the abdominal cavity and putative medullary bone.
Alida M. Bailleul +7 more
doaj +1 more source
The postcranial skeleton of Monolophosaurus jiangi (Dinosauria: Theropoda) from the Middle Jurassic of Xinjiang, China, and a review of Middle Jurassic Chinese theropods [PDF]
, 2010 The Middle Jurassic was a critical time in the evolution of theropod dinosaurs, highlighted by the origination and radiation of the large-bodied and morphologically diverse Tetanurae.
ZHAO XI-JIN +34 more
core +1 more source
The taxonomy of Sahelanthropus tchadensis from a craniometric perspective [PDF]
Anais da Academia Brasileira de CiênciasSahelanthropus tchadensis has raised much debate since its initial discovery in Chad in 2001, given its controversial classification as the earliest representative of the hominin lineage.
WALTER NEVES +3 more
doaj +1 more source
Pleistocene Hypothesis – Moving Savanna Perceptual Preference Hypothesis Beyond Savanna
Frontiers in Psychology, 2022 We provide an extension of the Savanna perceptual preference hypothesis (“Savanna Hypothesis”), supposing that interaction with landscapes offering survival advantage for human groups during evolution might have gradually evolved to permanent landscape ...
Joachim Rathmann +2 more
doaj +1 more source
Mandible composition and properties in two selected praying mantises (Insecta, Mantodea)
The Anatomical Record, EarlyView.Abstract Insects process their food with their cuticle‐based mouthparts. These feeding structures reflect their diversity and can, in some cases, showcase adaptations in material composition, mechanical properties, and shape to suit their specific dietary preferences.
Malo Roze +3 more
wiley +1 more source
Geochemical “fingerprints” for Olduvai Gorge Bed II tuffs and implications for the Oldowan–Acheulean transition [PDF]
, 2016 Bed II is a critical part of early Pleistocene Olduvai Gorge, Tanzania. Its deposits include transitions from humid to more arid conditions (with associated faunal changes), from Homo habilis to erectus, and from Oldowan to Acheulean technology. Bed II (~
de la Torre, I +3 more
core +1 more source