Late Paleozoic continental gastropods from Poland: systematic, evolutionary and paleoecological approach

2009 ◽  
Vol 83 (6) ◽  
pp. 938-945 ◽  
Author(s):  
Ewa Stworzewicz ◽  
Joachim Szulc ◽  
Beata M. Pokryszko
Keyword(s):  
North America ◽  
Sedimentary Facies ◽  
European Part ◽  
Late Carboniferous ◽  
Late Paleozoic ◽  
Early Permian ◽  
Southern Poland ◽  
Faunal Assemblages ◽  
Terrestrial Snails

Two taxa of the Late Carboniferous and four species of the Early Permian terrestrial snails have been found in the Late Paleozoic continental molasse sediments of the Upper Silesian-Cracow Upland (Southern Poland). Discovery of Anthracopupa ohioensis and Protodiscus priscus indicates that, besides in North America, they occurred also in the European part of the Pangea supercontinent. According to the general sedimentary facies context and the accompanying floral and faunal assemblages, the gastropods lived in swamp environments, including a topogenous fen.

First basal synapsids (“pelycosaurs”) from the Upper Permian-?Lower Triassic of Uruguay, South America

2003 ◽  
Vol 77 (2) ◽  
pp. 389-392 ◽  
Author(s):  
Graciela Piñeiro ◽  
Mariano Verde ◽  
Martín Ubilla ◽  
Jorge Ferigolo
Keyword(s):  
South Africa ◽  
North America ◽  
South America ◽  
Lower Triassic ◽  
Late Carboniferous ◽  
Upper Permian ◽  
Lower Permian ◽  
Late Permian ◽  
Early Permian ◽  
Continental Deposits

In their monograph Review of the Pelycosauria, Romer and Price (1940), proposed that the earliest synapsids (“pelycosaurs”) were cosmopolitan, despite the observation that amniotes appeared to be restricted to the paleotropics during the Late Carboniferous and Early Permian (290–282 Ma). Romer and Price (1940) accounted for the scarcity of terrestrial tetrapods, including “pelycosaurs,” in Lower Permian beds elsewhere to the absence of coeval continental deposits beyond North America and Europe. Indeed, most workers recognized a geographical and temporal gap between Permo-Carboniferous “pelycosaurs” and therapsid synapsids. Recent research has confirmed that varanopid and caseid “pelycosaurs” were components of therapsid-dominated Late Permian faunas preserved in Russia and South-Africa (Tatarinov and Eremina, 1975; Reisz, 1986; Reisz et al., 1998; Reisz and Berman, 2001).

Palaeoniscoid (Actinopterygii, Pisces) vertebrae from the Late Paleozoic of central North America

1986 ◽  
Vol 60 (3) ◽  
pp. 744-757 ◽  
Author(s):  
Hans-Peter Schultze ◽  
John Chorn
Keyword(s):  
North America ◽  
Early Carboniferous ◽  
External Morphology ◽  
Late Paleozoic ◽  
Early Permian ◽  
Vertebrate Fauna ◽  
Vertebral Centra

Actinopterygian vertebral centra are more common in the Pennsylvanian and Early Permian of central North America than was previously known. The oldest record dates from the Early Carboniferous of England. Stratigraphic occurrence, co-occurring vertebrate fauna, histology, and external morphology contradict a previous interpretation as centra of “holosteans.” The centra are assigned here to Palaeoniscoidea indet. Besides centra in haplolepids, these are the only known actinopterygian centra from the Paleozoic. The so-called caudal centra in Pygopterus are the bases of hypurals.

scholarly journals The youngest trigonotarbid Permotarbus schuberti n. gen., n. sp. from the Permian Petrified Forest of Chemnitz in Germany

Fossil Record ◽  
2013 ◽  
Vol 16 (2) ◽  
pp. 229-243 ◽  
Author(s):  
J. A. Dunlop ◽  
R. Rößler
Keyword(s):  
North America ◽  
Coal Mining ◽  
Fossil Record ◽  
Late Carboniferous ◽  
Early Permian ◽  
Mining Districts ◽  
Coal Measures ◽  
Moscovian Stage ◽  
Broad Overview ◽  
Petrified Forest

A new trigonotarbid (Arachnida: Trigonotarbida) is described as <i>Permotarbus schuberti</i> n. gen., n. sp. from the Early Permian Petrified Forest (Rotliegend) of Chemnitz in Saxony (Germany). At ca. 290 Ma it represents the youngest record of this extinct arachnid order discovered to date. Its familial affinities are uncertain, but may lie close to the Aphantomartidae. The distribution of the trigonotarbid genera through time is summarised, together with a list of their seventy-seven fossil-yielding localities. Together they offer a broad overview of the group's fossil record, which is heavily biased towards the Moscovian Stage (ca. 307–312 Ma) of the Late Carboniferous in Europe and North America. This is due in no small part to numerous localities associated with coal mining districts, and trigonotarbids are found less frequently after this stage. While it is tempting to associate this with biological events – such as a putative "Carboniferous Rainforest Collapse" dating to ca. 305 Ma – it is difficult to differentiate the effects of genuine extinction patterns from artefacts caused by fewer appropriate localities in the economically less relevant latest Carboniferous and Early Permian strata. Nevertheless, trigonotarbids became extinct at some point after the Early Permian and loss of the Coal Measures forests remains one of the most likely possible causes. <br><br> doi:<a href="http://dx.doi.org/10.1002/mmng.201300012" target="_blank">10.1002/mmng.201300012</a>

scholarly journals A large cockroach from the mesosaur-bearingKonservat-Lagerstätte(Mangrullo Formation), Late Paleozoic of Uruguay

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e6289 ◽  
Author(s):  
Viviana Calisto ◽  
Graciela Piñeiro
Keyword(s):  
New Species ◽  
Black Shales ◽  
Late Carboniferous ◽  
Late Paleozoic ◽  
Wing Margin ◽  
Early Permian ◽  
Venation Pattern ◽  
Strong Similarity ◽  
North Eastern ◽  
Anal Area

Barona arcuata, n.gen et n.sp., a left forewing of a relatively large cockroach of the Order Blattaria, is described from mesosaur-bearing lagoonal shales of the Mangrullo Formation (north-eastern Uruguay). While most of the insect remains recovered from the Mangrullo Formation come from sandy limestones, associated to scarce isolated mesosaur bones and pygocephalomorph crustaceans, the cockroach wing here described was found in the overlaying green to brownish, gray and dark black shales associated to intercalated bentonites and evaporitic gypsum crystals.Barona arcuatashares some features with typical Late Carboniferous taxa such as its general venation pattern and outline of the wing, four main and powerful veins arising close together from near the base of the wing, Sc simple forked, pectinate, reaching the costal border through a long fork, R and M bifurcating and terminating in the wing margin above and below the apex respectively, short and narrow CuA, and the presence of a broad interspace between CuP and AA. Cross venation seems to be absent or it was not preserved. Some characters might relateBarona arcuatato the Late Carboniferous-Early Permian Neothroblattinidae such as the presence of sigmoidal veins in the anal area, a condition not found in any of the remaining representatives of the Palaeozoic Blattaria. Intriguingly, the Uruguayan blattarian also presents a strong similarity withQilianiblatta namurensisZhang, Schneider & Hong, 2012 from the Westphalian of China, clearly a smaller taxon that is also difficult to relate to any of the preexistent families. The apparent plesiomorphic venation pattern of the new species which is reminiscent of that present in the oldest known blattarians, is in agreement with a Permo-Carboniferous (Gzhelian-Asselian) age for the Mangrullo Formation also supported by the presence of a macrofloral assemblage dominated by arborescent lepidondendrids and other lycopsids and the pygocephalid-like morphology of the pygocephalomorph crustaceans from the same levels.

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