Arjan Mann

Publications21
h-index6
Citations93
Highly Influential Citations7
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Infernovenator steenae, a new serpentine recumbirostran from the ‘Mazon Creek’ Lagerstätte further clarifies lysorophian origins
TLDR
A new, virtually complete lysorophian genus and species is described, Infernovenator steenae gen. & sp.
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Reassessment of historic ‘microsaurs’ from Joggins, Nova Scotia, reveals hidden diversity in the earliest amniote ecosystem
‘Microsaurs’ are traditionally considered to be lepospondyl non‐amniotes, but recent analyses have recovered a subset of ‘microsaurs’, the fossorially adapted Recumbirostra, within Amniota. This…
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Varanopid from the Carboniferous of Nova Scotia reveals evidence of parental care in amniotes
TLDR
A fossil synapsid from the Carboniferous period of Nova Scotia that displays evidence of parental care is reported that adds to growing evidence that parental care was more widespread among Palaeozoic synapsids than previously thought and provides data permitting the identification of potential ontogeny-dependent traits within varanopids.
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Diabloroter bolti, a short-bodied recumbirostran ‘microsaur’ from the Francis Creek Shale, Mazon Creek, Illinois
TLDR
Diabloroter is determined to be the earliest known member of Brachytelechidae and thus establishing a Carboniferous origin of the family, and an updated diagnosis for Brachystelechidae is provided.
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Carbonodraco lundi gen et sp. nov., the oldest parareptile, from Linton, Ohio, and new insights into the early radiation of reptiles
TLDR
The holotype specimen of Cephalerpeton ventriarmatum Moodie, 1912, from the Middle Pennsylvanian Francis Creek Shale of Mazon Creek, Illinois, confirms that it is a basal eureptile with close postcranial similarities to other protorothyridids, such as Anthracodromeus and Paleothyris.
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Cranial ornamentation of a large Brachydectes newberryi (Recumbirostra: Lysorophia) from Linton, Ohio.
  • Arjan Mann
  • Medicine
    Vertebrate Anatomy Morphology Palaeontology
  • 6 October 2018
TLDR
Under-described aspect of the lysorophian tetrapod Brachydectes is the development and variation of cranial ornamentation, which is unique within recumbirostrans and is identified as an ontogenetic feature.
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A basal aïstopod from the earliest Pennsylvanian of Canada, and the antiquity of the first limbless tetrapod lineage
  • J. Pardo, Arjan Mann
  • Geography, Environmental Science
    Royal Society Open Science
  • 1 December 2018
TLDR
The anatomy of A. longidentatum corroborates recent phylogenetic work which has placed the origin of aïstopods within the Devonian fin-to-limb transition but preserves a mosaic of characteristics suggesting an even earlier divergence, and suggests that Joggins may preserve a more typical Carboniferous fauna than previously thought.
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Postcranial anatomy of the ‘microsaur’ Carrolla craddocki from the Lower Permian of Texas
TLDR
There is no longer any doubt regarding the association of the skull and postcranial remains of Carrolla craddocki, and an updated diagnosis for the taxon is provided.
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Joermungandr bolti, an exceptionally preserved ‘microsaur’ from the Mazon Creek Lagerstätte reveals patterns of integumentary evolution in Recumbirostra
The Carboniferous Pennsylvanian-aged (309–307 Ma) Mazon Creek Lagerstätte produces some of the earliest fossils of major Palaeozoic tetrapod lineages. Recently, several new tetrapod specimens…
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Cranial osteology and systematics of the enigmatic early ‘sail-backed’ synapsid Echinerpeton intermedium Reisz, 1972, and a review of the earliest ‘pelycosaurs’
TLDR
The first new remains of Echinerpeton since its initial discovery are described, and the phylogenetic position of the taxon is revisited using Bayesian inference and parsimony-based methods, confirming it as a member of Ophiacodontidae.
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