Early Permian pole: Evidence from the Pictou red beds, Prince Edward Island, Canada

Geology ◽  
1990 ◽  
Vol 18 (3) ◽  
pp. 234 ◽  
Author(s):  
D.T.A. Symons
Keyword(s):  
Prince Edward Island ◽  
Early Permian ◽  
Red Beds

Early Permian fossil vertebrate footprints and their stratigraphic setting in megacyclic sequence II red beds, Prim Point, Prince Edward Island

1989 ◽  
Vol 26 (3) ◽  
pp. 591-605 ◽  
Author(s):  
David J. Mossman ◽  
Craig H. Place
Keyword(s):  
Central Europe ◽  
Prince Edward Island ◽  
River Sediments ◽  
Early Permian ◽  
Red Beds ◽  
Sparse Vegetation ◽  
The Third ◽  
Fossil Vertebrate ◽  
Crevasse Splay ◽  
First Time

Vertebrate trace fossils are reported for the first time from red beds near the top of megacyclic sequence II at Prim Point in southwestern Prince Edward Island. They occur as casts of tetrapod trackways. The ichnocoenose also includes a rich invertebrate ichnofauna. The trackmakers thrived in an area of sparse vegetation and occupied out-of-channel river sediments, most likely crevasse-splay deposits.Amphisauropus latus, represented by three trackways, has been previously reported from Germany, Poland, and Czechoslovakia. It is here interpreted as the track of a cotylosaur. It occurs together with the track of Gilmoreichnus kablikae, which is either a captorhinomorph or possibly a juvenile pelycosaur. These facilitate the assignment of a late Early Permian (late Autunian) age to the strata. The third set of footprints, those of a small herbivorous pelycosaur, compare most closely with Ichniotherium willsi, known hitherto from the Keele beds (latest Stephanian) of the English Midlands.This ichnocoenose occurs in a plate-tectonically rafted segment of crust stratigraphically equivalent to the same association of ichnofauna in the English Midlands and central Europe. The community occupied piedmont-valley-flat red beds within the molasse facies of Variscan uplands.

A SEED PROFILE FROM THE EARLY PERMIAN RED BEDS OF TEXAS

2018 ◽  
Author(s):  
Cait Conley ◽  
◽  
Rebecca A. Koll ◽  
William DiMichele
Keyword(s):  
Early Permian ◽  
Red Beds

Re-evaluation of the historic Canadian fossil Bathygnathus borealis from the Early Permian of Prince Edward Island

2015 ◽  
Vol 52 (12) ◽  
pp. 1109-1120 ◽  
Author(s):  
Kirstin S. Brink ◽  
Hillary C. Maddin ◽  
David C. Evans ◽  
Robert R. Reisz
Keyword(s):  
New Species ◽  
Prince Edward Island ◽  
Scientific Literature ◽  
Cladistic Analysis ◽  
Systematic Position ◽  
Sister Taxon ◽  
Lower Permian ◽  
Early Permian ◽  
Maxillary Dentition

The holotype and only known specimen of Bathygnathus borealis is a partial snout with maxillary dentition of a presumed sphenacodontid from the Lower Permian (Artinskian 283–290 Ma) redbeds of Prince Edward Island, Canada. Due to its incomplete nature, assessment of the taxon’s systematic position within a cladistic analysis had never been performed. However, recent recognition of the phylogenetic utility of tooth characters in sphenacodontids now allows for a modern phylogenetic evaluation of B. borealis. Results show that B. borealis is the sister taxon of Dimetrodon grandis, which is supported by dental characters: crowns with mesial and distal denticles and roots elongate, lacking plicidentine. An autapomorphy of B. borealis is the large facial exposure of the septomaxilla. As Bathygnathus has priority over Dimetrodon in the scientific literature, we suggest a reversal of precedence is required to preserve the familiar name Dimetrodon and to maintain universality, thus recognizing the new species Dimetrodon borealis.

scholarly journals Permian

1982 ◽  
Vol 8 ◽  
pp. 28-32
Author(s):  
Fritz Lyngsie Jacobsen ◽  
Jørgen Gutzon Larsen
Keyword(s):  
North Sea ◽  
Initial Phase ◽  
Late Carboniferous ◽  
Early Permian ◽  
The South ◽  
Permian Basin ◽  
Red Beds ◽  
North West ◽  
The North

In North-West Europe two mega-basins began their development during Late Carboniferous to Early Permian: The South Permian Basin stretching from eastern England into Poland , and the North Permian Basin reaching from Scotland into Denmark. These two basins were separated by the Mid North Sea High and the Ringkøbing-Fyn High which came into existence early in Permian. The initial phase of subsidence was accompanied by extensive subaerial volcanism. This was followed by a period of oxidation and erosion under desert conditions and deposition of red beds and sabkha sediments in the two Permian basins (fig. 19). These rocks are included in the Rotliegendes Group as originally established by Werner (1786). Continuous subsidence and transgression of the sea, but with a restricted connection to the ocean, lead to the formation of the evaporites of the Zechstein Group.

Carboniferous tetrapod footprint biostratigraphy, biochronology and evolutionary events

2021 ◽  
pp. SP512-2020-235
Author(s):  
Spencer G. Lucas ◽  
Matthew R. Stimson ◽  
Olivia A. King ◽  
John H. Calder ◽  
Chris F. Mansky ◽  
...  
Keyword(s):  
Nova Scotia ◽  
New Brunswick ◽  
Middle Devonian ◽  
Prince Edward Island ◽  
Early Permian ◽  
Eastern Canada ◽  
High Fiber ◽  
Maritimes Basin ◽  
Insight Into

AbstractThe Carboniferous record of tetrapod footprints is mostly of Euramerican origin and provides the basis for a footprint biostratigraphy and biochronology of Carboniferous time that identifies four tetrapod footprint biochrons: (1) stem-tetrapod biochron of Middle Devonian-early Tournaisian age; (2) Hylopus biochron of middle-Tournaisian-early Bashkirian age; (3) Notalacerta-Dromopus interval biochron of early Bashkirian-Kasimovian age; and (4) Dromopus biochron of Kasimovian-early Permian age. Particularly significant is the Carboniferous tetrapod footprint record of the Maritimes basin of eastern Canada (New Brunswick, Nova Scotia and Prince Edward Island), which encompasses well-dated and stratigraphically superposed footprint assemblages of Early Mississippian-early Permian age. The Carboniferous tetrapod footprint record provides these important biostratigraphic datums: (1) oldest temnospondyls (middle Tournaisian); (2) oldest reptiliomorphs, likely anthracosaurs (middle Tournaisian); (3) oldest amniotes (early Bashkirian); and (4) oldest high fiber herbivores (Bashkirian). Carboniferous tetrapod footprints thus provide significant insight into some major events of the Carboniferous evolution of tetrapods.

Permian

1992 ◽  
Vol 13 (1) ◽  
pp. 87-96 ◽  
Author(s):  
D. B. Smith ◽  
J. C. M. Taylor ◽  
R. S. Arthurton ◽  
M. E. Brookfield ◽  
K. W. Glennie
Keyword(s):  
Traditional View ◽  
Late Permian ◽  
Early Permian ◽  
British Isles ◽  
Drainage Basins ◽  
Red Beds ◽  
Marine Strata ◽  
Continental Deposits ◽  
Northwest Europe

AbstractPermian strata in the British Isles crop out mainly in northern and central England but are extensive in the subsurface both on land and in several adjoining offshore areas. Their base is defined as in Smith et al. (1974) and their top is within red beds, overlying the Zechstein evaporites.We emphasize that both the base and the top of the nominally Permian rocks lie in continental strata almost devoid of stratigraphically useful fossils and that, accordingly, these boundaries are only doubtfully correlated with internationally acceptable biostratigraphic standards.Subdivision of British Permian strata into Lower and Upper series follows the traditional view summarized by Smith et al. (1974). The junction between the series is taken at the incoming of marine strata in northern England and adjoining offshore areas, and at approximately equivalent levels in continuous continental sequences elsewhere; recent limited palynological studies suggest that the early Permian-late Permian transition adopted here and in most of northwest Europe may be mid or late Kazanian or even Tatarian in age which is somewhat younger than the base-Kazanian/Ufimian position taken in more continuous marine sequences.There has been no comprehensive revision of the stratigraphy and nomenclature of early Permian strata in and around the British Isles since the work of Smith et al. (1974) and Rhys (1974), but these aspects of the early Permian continental deposits of several cuvettes and inland drainage basins in southwest Scotland were reviewed by Brookfield (1978) and the age of continental deposits in the Elgin area was reconsidered

The Early Permian floras of Prince Edward Island, Canada: differentiating global from local effects of climate change

2002 ◽  
Vol 39 (2) ◽  
pp. 223-238 ◽  
Author(s):  
Alfred M Ziegler ◽  
Peter McA Rees ◽  
Serge V Naugolnykh
Keyword(s):  
Prince Edward Island ◽  
Temporal Trends ◽  
Early Carboniferous ◽  
Early Permian ◽  
Climate Trends ◽  
Climate Conditions ◽  
Pedogenic Carbonates ◽  
Low Diversity ◽  
Maritimes Basin ◽  
Combined Data

New Permian plant specimens are described from Prince Edward Island, Canada. They include attached specimens of leaf and stem genera Walchia and Tylodendron, enabling reconstruction of this Early Permian conifer. Although poorly preserved, the study of these floras extends our knowledge of diversity and climate conditions in the region. By placing these findings in a broader stratigraphic and geographic framework, we can document the phytogeographic and climate trends through the Carboniferous and Permian in the Maritimes Basin. Combined data on temporal trends in climate-sensitive sediments, as well as macrofloral and microfloral diversities, generally match the independently derived paleolatitudinal estimates. These show the region migrating from the southern subtropics across the Equator and into the northern subtropics between the Early Carboniferous and Early Permian. Evaporites and pedogenic carbonates, together with low-diversity floras, match its subtropical position in the Early Carboniferous. In contrast, coals are present in the Late Carboniferous, accompanied by high-diversity macro- and microfloral remains, when the region was on or near the Equator. However, the subsequent transition to pedogenic carbonates, eolian sands, and lower diversity floras is not matched by significant poleward latitudinal motion. We ascribe these changes to a decrease in moisture availability, as transgressions of epeiric seas became less frequent and finally stopped altogether, causing an increase of continentality in Euramerica.

Faunal overview of the Mud Hill locality from the early Permian Vale Formation of Taylor County, Texas

2018 ◽  
Vol 92 (6) ◽  
pp. 1092-1106
Author(s):  
Bryan M. Gee ◽  
Steven J. Rosscoe ◽  
Diane Scott ◽  
Judie Ostlien ◽  
Robert R. Reisz
Keyword(s):  
Size Distribution ◽  
Early Permian ◽  
Red Beds ◽  
Faunal Assemblage ◽  
First Report ◽  
Vertebrate Fauna ◽  
The World ◽  
Texas Red

AbstractThe Texas red beds represent one of the richest series of early Permian deposits in the world. In particular, the Clear Fork Group has produced a diverse assemblage of temnospondyls, early reptiles, and synapsids. However, most of this material has been sourced from the oldest member, the Arroyo Formation, and the understanding of the paleoecosystem of the younger Vale and Choza formations is less well resolved. Here we present a previously undescribed Vale locality, the first vertebrate-bearing locality from the formation to be described in detail in several decades, from near Abilene, Texas with juvenile diplocaulids, captorhinids, abundant material of rare taxa such asVaranopsand diadectids, and the first report of a recumbirostran ‘microsaur’ from the formation. This assemblage is atypical of early Permian deposits in the taxonomic and size distribution of the vertebrate fauna in comparison to other localities from the Vale Formation that preserve a greater abundance of aquatic taxa (e.g., fishes,Trimerorhachis) and synapsids (e.g.,Dimetrodon). Minimal abrasion of the elements, relative articulation and association of the specimen ofVaranops, and the paucity of aquatic taxa suggest an ephemeral pond deposit in which organisms were preserved essentially in situ. Our characterization of the locality also permits a revision and discussion of the vertebrate faunal assemblage of the Vale Formation.

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