149 research outputs found
Ein neuer Insekten-Rest (Megasecoptera) aus dem Ober-Karbon von Osnabrück
Ein neuer isolierter Insekten-Flügel aus dem Westfalium D vom Piesberg N' Osnabrück gehört zu einer neuen Art: Aspidothorax aestatis n. sp. (Megasecoptera: Aspidothoracidae). Diese ist nahe verwandt mit Aspidothorax triangularis BRONGNIART 1894 aus dem Stephanium B von Commentry (Zentral-Frankreich), unterscheidet sich aber vor allem durch (1) den weniger deutlich markierten Apex, (2) die breitere Praeradial-Area, (3) die ungeteilten Adern MP- und CuP- sowie (4) die unregelmäßiger angeordneten Queradern.A new isolated insect wing from the Westphalian D sequence of the Piesberg N' Osnabrück (Lower Saxony, West Germany) belongs to a new species, Aspidothorax aestatis n. sp. (Megasecoptera: Aspidothoracidae). It is closely related to Aspidothorax triangularis BRONGNIART 1894 Irom the Stephanian B of Commentry (Central France), but differs mainly by (1) less marked apex, (2) wider preradial area, (3) simple MP- and CuP-, and (4) more irregular cross veins
Insekten-Funde aus dem Westfalium D (Ober-Karbon) des Piesberges bei Osnabrück (Deutschland) : Nachtrag 1: Palaeodictyopteroida
In diesem ersten Nachtrag zur Monographie der Insekten (ausschließlich der Odonatoptera und Blattodea) aus Schichten des Westfalium D vom Piesberg bei Osnabrück (Niedersachsen, Deutschland) werden weitere neue Angehörige der Palaeodictyoptera beschrieben: Homaloneura kiliani n. sp. (Spilapteridae) und Lithomantis meyeri n. sp. (Lithomanteidae). Neue Flügel-Funde zu bekannten Arten aus der Familie der Breyeriidae (Palaeodictyoptera) und Aspidothoracidae (Megasecoptera) ergänzen den bisherigen Fossilbericht von dieser Lokalität.In this first supplement of the monograph on the hitherto known fossil insects (exclusively Odonatoptera and Blattodea) from Westphalian D beds of the Piesberg quarry near Osnabrück (Lower Saxony, Germany) new taxa of the Palaeodictyoptera are described: Homaloneura kiliani n. sp. (Spilapteridae) and Lithomantis meyeri n. sp. (Lithomanteidae). New wing finds of species known from this locality and belonging to the Breyeriidae (Palaeodictyoptera) and Aspidothoracidae (Megasecoptera) support the fossil report
New basal Odonatoptera (Insecta) from the lower Carboniferous (Serpukhovian) of Argentina
Nuevos Odonatoptera basales del Serpukhoviano superior (325-324 Ma) son descriptos de la localidad Guandacol 1, Quebrada de las Libélulas, Formación Guandacol, provincia de La Rioja, centro oeste de la Argentina. Otras dos especies conocidas del Serpukhoviano, Eugeropteron lunatum Riek, 1983 y Geropteron arcuatum Riek, 1983, de Cuestita de La Herradura, Formación Malanzán, provincia de La Rioja, son discutidas. Varios taxones de orden superior nuevos son nominados para incluir estas especies, resultando en una nueva clasificación: 1 Superorden Odonatoptera, 1.1 Eugeroptera ord. nov., 1.1.1 Eugeropteridae, 1.1.1.1 Eugeropteron, 1.1.1.1.1 Eugeropteron lunatum, 1.1.1.1.2 Tupacsala niunamenos gen. nov. et sp. nov., 1.2 Palaeodonatoptera taxon nov., 1.2.1 Kukaloptera ord. nov., 1.2.1.1 Kirchneralidae fam. nov., 1.2.1.1.1 Kirchnerala treintamil gen. nov. et sp. nov., 1.2.2 Plesiodonatoptera taxon nov., 1.2.2.1 Argentinoptera ord. nov., 1.2.2.1.1 Argentinalidae fam. nov., 1.2.2.1.1.1 Argentinala cristinae gen. nov. et sp. nov., 1.2.2.2 Apodonatoptera taxon nov., 1.2.2.2.1 Orden Geroptera, 1.2.2.2.1.1 Geropteridae fam. nov., 1.2.2.2.1.1.1 Geropteron, 1.2.2.2.1.1.1.1 Geropteron arcuatum, 1.2.2.2.2 Neodonatoptera.Three new basal species of Odonatoptera from the upper Serpukhovian (325-324 Ma) of Guandacol 1 locality, Quebrada de las Libélulas, Guandacol Formation, La Rioja province, central West Argentina, are described. Two known species also from the Serpukhovian, Eugeropteron lunatum Riek, 1983 and Geropteron arcuatum Riek, 1983, from Cuestita de La Herradura, Malanzán Formation, La Rioja province, are discussed. Several higher taxa are nominated to include these species, resulting in a new classification: 1 Superorder Odonatoptera, 1.1 Eugeroptera ord. nov., 1.1.1 Eugeropteridae, 1.1.1.1 Eugeropteron, 1.1.1.1.1 Eugeropteron lunatum, 1.1.1.1.2 Tupacsala niunamenos gen. nov. et sp. nov., 1.2 Palaeodonatoptera taxon nov., 1.2.1 Kukaloptera ord. nov., 1.2.1.1 Kirchneralidae fam. nov., 1.2.1.1.1 Kirchnerala treintamil gen. nov. et sp. nov., 1.2.2 Plesiodonatoptera taxon nov., 1.2.2.1 Argentinoptera ord. nov., 1.2.2.1.1 Argentinalidae fam. nov., 1.2.2.1.1.1 Argentinala cristinae gen. nov. et sp. nov., 1.2.2.2 Apodonatoptera taxon nov., 1.2.2.2.1 Order Geroptera, 1.2.2.2.1.1 Geropteridae fam. nov., 1.2.2.2.1.1.1 Geropteron, 1.2.2.2.1.1.1.1 Geropteron arcuatum, 1.2.2.2.2 Neodonatoptera.Fil: Petrulevicius, Julian Fernando. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Gutierrez, Pedro Raul. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentin
Insekten-Funde aus dem Westfalium D (Ober-Karbon) des Piesberges bei Osnabrück (Deutschland). Teil 1: Palaeoptera
In diesem ersten Teil einer Monographie der Insekten (ausschließlich der Blattodea) aus Schichten des Westfalium D vom Piesberg bei Osnabrück (Niedersachsen, Deutschland) werden die Angehörigen der Palaeoptera beschrieben. Sie verteilen sich auf die Palaeodictyoptera (Homoioptera kortumi n. sp., Breyeria brevis n. sp.,B. bistrata Brauckmann, 1995, B. solida Brauckmann & Herd, 2000, Hasala inferiorsaxonica Brauckmann, 1995), Megasecoptera (Aspidothorax tristrata n. sp., A. aestatis Brauckmann, 1991, Pyebrodia martinsnetoi n. gen. n. sp.), Diaphanopterodea (Piesbergala leipnerae n. gen. n. sp.) und Odonatoptera (Erasipterella piesbergensis Brauckmann, 1983).In this first part of a monograph on the hitherto known fossil insects (exclusively Blattodea) from Westphalian D beds of the Piesberg quarry near Osnabrück (Lower Saxony,Germany) the palaeopteran taxa are described. They are distributed among the Palaeodictyoptera (Homoioptera kortumi n. sp., Breyeria brevis n. sp., B. bistrata Brauckmann, 1995, B. solida Brauckmann & Herd, 2000, Hasala inferiorsaxonica Brauckmann, 1995), Megasecoptera (Aspidothorax tristrata n. sp., A. aestatis Brauckmann, 1991, Pyebrodia martinsnetoi n. gen. n. sp.), Diaphanopterodea (Piesbergala leipnerae n. gen. n. sp.), and Odonatoptera (Erasipterella piesbergensis Brauckmann, 1983)
Tomographic reconstruction of neopterous Carboniferous insect nymphs
Two new polyneopteran insect nymphs from the Montceau-les-Mines Lagerstätte of France are presented. Both are preserved in three dimensions, and are imaged with the aid of X-ray micro-tomography, allowing their morphology to be recovered in unprecedented detail. One–Anebos phrixos gen. et sp. nov.–is of uncertain affinities, and preserves portions of the antennae and eyes, coupled with a heavily spined habitus. The other is a roachoid with long antennae and chewing mouthparts very similar in form to the most generalized mandibulate mouthparts of extant orthopteroid insects. Computer reconstructions reveal limbs in both specimens, allowing identification of the segments and annulation in the tarsus, while poorly developed thoracic wing pads suggest both are young instars. This work describes the morphologically best-known Palaeozoic insect nymphs, allowing a better understanding of the juveniles’ palaeobiology and palaeoecology. We also consider the validity of evidence from Palaeozoic juvenile insects in wing origin theories. The study of juvenile Palaeozoic insects is currently a neglected field, yet these fossils provide direct evidence on the evolution of insect development. It is hoped this study will stimulate a renewed interest in such work
First North American species of the European genus Archaemegaptilus from the Upper Carboniferous Pottsville Formation of northern Alabama (Palaeodictyoptera: Archaemegaptilidae)
A new palaeodictyopteran (Palaeodictyopterida: Palaeodictyoptera) taxon is described based on a nearly complete hind wing found in the Pottsville Formation (Upper Carboniferous) of Bibb County, Alabama. Archaemegaptilus blakelyi Beckemeyer & Engel, new species, is the sixth insect genus and species described from the Pottsville of Alabama and the second palaeodictyopteran from those deposits. It is the third valid species assigned to the family Archaemegaptilidae. Previously known species are A. kiefferi Meunier, from the Commentry of France and A. schloesseri Brauckmann et al., from the Hagen-Vorhalle of Germany
Neue Insekten-Funde (Palaeodictyoptera: Breyeriidae) aus dem Ober-Karbon von Osnabrück (Deutschland)
Zwei neue, zu den Palaeodictyoptera: Breyeriidae gehörende Insekten-Flügel aus Schichten des Westfalium 0 (Ober-Karbon) vom Piesberg nördlich Osnabrück werden beschrieben. Breyeria bistrata n.sp. ähnelt den beiden Arten B. rappi Carpenter, 1967 und B. barborae Kukalova, 1959, unterscheidet sich aber von diesen vor allem durch den fast geraden Flügel-Vorderrand und die größere Anzahl von Zweigen. Hasa/a inferiorsaxonica n.g. n.sp. ist gekennzeichnet durch die sehr lange, in den Vorderrand mündende ScP-, die Anwesenheit einer Stützader rp-ma und die deutlich ausgebildete sekundäre Korrugation.Two new fossil insect wings (Palaeodictyoptera: Breyeriidae) from Westphalian 0 (Upper Carboniferous) beds of the Piesberg quarry in the north of Osnabrück (Lower Saxony, Germany) are described. Breyeria bistrata n.sp. is similar to B. rappi Carpenter, 1967 and to B. barborae Kukalova, 1959 but differs mainly by the nearly straight anterior margin of the wing and more branches of RP. Hasa/a inferiorsaxonica n.g. n.sp. is characterized by its very long ScP-leading into the anterior margin, presence of a supporting cross vein rp-ma, and distinctly developed secondary corrugation
Palaeozoic insects of southern Africa: a review
Although a substantial number of Triassic insect fossils have been discovered in southern Africa, relatively few insect fossils are known from the Permian deposits of this region. Fossil insects from the Permian period elsewhere, including the extensive entomological fauna from Eastern Europe (including Russia), Brazil and Australia is well-documented. The Irati Formation in the Parana Basin of Brazil, the temporal and lithological correlate of the Permian Whitehill Formation of South Africa, has yielded fossil insects belonging to Homoptera, N europtera, Coleoptera and Mecoptera. Fossil insects from the Whitehill Formation are usually poorly preserved and only seven specimens are mentioned in the literature. An overview is given of the more recent discoveries of Permian fossil insects in South Africa. This includes the discovery of the oldest beetle in Africa, the oldest longhorned grasshopper in the Southern Hemisphere and a survey of the Permian insects from the Beaufort Group of Natal. Reasons for the paucity of Permian insects are briefly discussed.Palaeo-Anthropology Scientific Trust; French Embassy in South Africa; Co-operation and Cultural Servic
Insect faunas of South Africa from the upper Permian and the Permian/ Triassic boundary
Main articleThose sites in South Africa where more than one insect fossil specimen has been found have been
interpreted as younger than Middle Triassic or as Late Permian. One site which has yielded a number
of specimens and is apparently near the Permian/Triassic boundary is a quarry in the town of Bulwer
KwaZulu- Natal. There are six sites with more than one insect specimen which are stratigraphically lower
than Bulwer, namely Escourt (a new site), Far End, Mooi River (National Road), Mount West,
Balgowan and Lidgetton. According to the 1984 1 : 1 000 000 Geological Map of Southern Africa Bulwer
is situated in the Tarkastad Subgroup of the Beaufort Group near its lower boundary; the Tarkastad has
been considered as Triassic. the remaining sites, except Balgowan and Lidgetton, fall in the Estcourt
Formation of the Beaufort Group, a do all the sites with single Late Permian specimens except for one
similarly aged specimen from the more easterly Emakwezeni formation. The stratigraphically lowest
sites are Lidgetton and slightly younger Balgowan; both are mapped as Volksrust Formation of the Ecca
Group. An analys is is made of vertical distribution of taxa, with those of Lidgetton and Balgowan
grouped together as a lower unit, of Bulwer as upper unit, and of the Estcourt formation sites and
Emakwezini site as a middle unit. No obvious break between the three units has been noted.Non
The Odonatoptera of the Late Permian Lodève Basin (Insecta)
El descubrimiento de una numerosa y variada fauna de Odonatoptera en el Pérmico Superior rojo de la cuenca de Lodève pone en cuestión la hipótesis de un paleoclima seco a muy seco para este yacimiento. Sugiere la presencia de masas de agua más o menos permanentes, rodeadas por una importante diversidad de medios terrestres. El descubrimiento de grandes a muy grandes ejemplares de Meganeuridae contradice la existencia de una relación directa entre la disminución de la talla de cuerpo y de las alas de los insectos durante el Pérmico Superior, y el decrecimiento de la tasa de oxígeno atmosférico en esta época
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