Estuarine fish and tetrapod evolution: insights from a Late Devonian (Famennian) Gondwanan estuarine lake and a southern African Holocene equivalent

RW Gess, AK Whitfield - Biological Reviews, 2020 - Wiley Online Library
ABSTRACT The Waterloo Farm lagerstätte in South Africa provides a uniquely well‐
preserved record of a Latest Devonian estuarine ecosystem. Ecological evidence from it is …

A Devonian Fish Tale: A New Method of Body Length Estimation Suggests Much Smaller Sizes for Dunkleosteus terrelli (Placodermi: Arthrodira)

RK Engelman - Diversity, 2023 - mdpi.com
Dunkleosteus terrelli, an arthrodire placoderm, is one of the most widely recognized fossil
vertebrates due to its large size and status as one of the earliest vertebrate apex predators …

Giant, swimming mouths: Oral dimensions of extant sharks do not accurately predict body size in Dunkleosteus terrelli (Placodermi: Arthrodira)

R Engelman - PeerJ, 2023 - peerj.com
Background The size of Dunkleosteus and other late Devonian arthrodire placoderms has
been a persistent problem in paleontology. The bony head and thoracic armor of these …

A new selenosteid placoderm from the Late Devonian of the eastern Anti-Atlas (Morocco) with preserved body outline and its ecomorphology

M Jobbins, M Rücklin, HG Ferrón… - Frontiers in Ecology and …, 2022 - frontiersin.org
Placoderms are an extinct group of early jawed vertebrates that play a key role in
understanding the evolution of the gnathostome body plan, including the origin of novelties …

[HTML][HTML] Reconstructing Dunkleosteus terrelli (Placodermi: Arthrodira): A new look for an iconic Devonian predator

RK Engelman - Palaeontologia Electronica, 2024 - palaeo-electronica.org
Dunkleosteus is a widely-recognized prehistoric organism, yet its life appearance,
paleobiology, and even basic morphology remain poorly understood. A new reconstruction …

Late Devonian palaeobiogeography of marine organic-walled phytoplankton

Z Shen, J Song, T Servais, Y Gong - Palaeogeography, Palaeoclimatology …, 2019 - Elsevier
Acritarchs and prasinophytes have generally been considered as organic-walled
phytoplankton, and their distribution patterns play a significant role in palaeogeographical …

A tetrapod fauna from within the Devonian Antarctic Circle

R Gess, PE Ahlberg - Science, 2018 - science.org
Until now, all known fossils of tetrapods (limbed vertebrates with digits) and near-tetrapods
(such as Elpistostege, Tiktaalik, and Panderichthys) from the Devonian period have come …

Extreme lower jaw elongation in a placoderm reflects high disparity and modularity in early vertebrate evolution

M Jobbins, M Rücklin… - Royal Society …, 2024 - royalsocietypublishing.org
Jaws are a key vertebrate feature that arose early in our evolution. Placoderms are among
the first jawed vertebrates; their fossils yield essential knowledge about the early …

A high latitude Gondwanan species of the Late Devonian tristichopterid Hyneria (Osteichthyes: Sarcopterygii)

RW Gess, PE Ahlberg - Plos one, 2023 - journals.plos.org
We describe the largest bony fish in the Late Devonian (late Famennian) fossil assemblage
from Waterloo Farm near Makhanda/Grahamstown, South Africa. It is a giant member of the …

[HTML][HTML] Unique dental arrangement in a new species, Groenlandaspis howittensis (Placodermi, Arthrodira) from the Middle Devonian of Mount Howitt, Victoria …

AN Fitzpatrick, AM Clement, JA Long - PeerJ, 2024 - peerj.com
Well-preserved specimens of a new species of arthrodiran placoderm, Groenlandaspis
howittensis sp. nov.(Middle Devonian of Victoria, Australia), reveals previously unknown …