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Achim H. Schwermann
University of Bonn
10Publications
4H-index
39Citations
Publications 10
Newest
Published in Historical Biology1.49
Thomas Martin26
Estimated H-index: 26
(University of Bonn),
Alexander O. Averianov23
Estimated H-index: 23
+ -3 AuthorsOliver Wings1
Estimated H-index: 1
(MLU: Martin Luther University of Halle-Wittenberg)
ABSTRACTThe Late Jurassic (late Kimmeridgian) multituberculate assemblage from the Langenberg Quarry in Northern Germany includes Paulchoffatiidae indet., the pinheirodontid Teutonodon langenbergen...
Published on Mar 6, 2019in Palaeontology2.63
Achim H. Schwermann4
Estimated H-index: 4
(University of Bonn),
Kai He (KIZ: Kunming Institute of Zoology)+ 2 AuthorsGabriele Sansalone4
Estimated H-index: 4
(UNE: University of New England (Australia))
Published on Dec 1, 2018in Nature Communications11.88
Thomas van de Kamp9
Estimated H-index: 9
(KIT: Karlsruhe Institute of Technology),
Achim H. Schwermann4
Estimated H-index: 4
(University of Bonn)
+ 15 AuthorsA. Kopmann10
Estimated H-index: 10
(KIT: Karlsruhe Institute of Technology)
About 50% of all animal species are considered parasites. The linkage of species diversity to a parasitic lifestyle is especially evident in the insect order Hymenoptera. However, fossil evidence for host–parasitoid interactions is extremely rare, rendering hypotheses on the evolution of parasitism assumptive. Here, using high-throughput synchrotron X-ray microtomography, we examine 1510 phosphatized fly pupae from the Paleogene of France and identify 55 parasitation events by four wasp species,...
Published on Jan 1, 2017
Gabriele Sansalone4
Estimated H-index: 4
,
Anastassios Kotsakis1
Estimated H-index: 1
+ 2 AuthorsPaolo Piras18
Estimated H-index: 18
Published on Feb 8, 2016in eLife7.55
Achim H. Schwermann4
Estimated H-index: 4
(University of Bonn),
Tomy dos Santos Rolo11
Estimated H-index: 11
(KIT: Karlsruhe Institute of Technology)
+ 4 AuthorsThomas van de Kamp9
Estimated H-index: 9
(KIT: Karlsruhe Institute of Technology)
Fossils are the preserved remains of animals, plants or other organisms. The most highly prized fossils are those that retain their original three-dimensional shape and provide details needed to identify what species it represents, and what its closest living relatives might be. However, even fossils with the most beautifully preserved external anatomy can lack the internal structures that also help to identify its evolutionary history. “Mineralized” fossils are particularly useful for researche...
Zbyněk Roček16
Estimated H-index: 16
(CAS: Academy of Sciences of the Czech Republic),
Renaud Boistel18
Estimated H-index: 18
(University of Poitiers)
+ 9 AuthorsMárton Venczel11
Estimated H-index: 11
Palaeobatrachidae are extinct frogs from Europe closely related to the Gondwanan Pipidae, which includes Xenopus. Their frontoparietal is a distinctive skeletal element which has served as a basis for establishing the genus Albionbatrachus. Because little was known about developmental and individual variation of the frontoparietal, and its usefulness in delimiting genera and species has sometimes been doubted, we investigate its structure in Palaeobatrachus and Albionbatrachus by means of X-ray ...
Published on May 26, 2015in Journal of Vertebrate Paleontology1.74
Achim H. Schwermann4
Estimated H-index: 4
(University of Bonn),
Richard S. Thompson6
Estimated H-index: 6
(University of Cambridge)
ABSTRACTWe describe four exceptionally preserved Miocene talpid specimens from Germany (representing Mygalea jaegeri, Proscapanus sansaniensis, and Geotrypus montisasini), expanding and amending the original descriptions based on micro-computed tomography (μ-CT) data. These specimens are scored into an enlarged version of the Sanchez-Villagra et al. (2006) character set, along with newly collected data for extant talpids and the fossil species Geotrypus antiquus, Domninoides mimicus, Eotalpa bel...
Published on Mar 1, 2015in Palaeobiodiversity and Palaeoenvironments1.07
Bastian Mähler1
Estimated H-index: 1
(University of Bonn),
Achim H. Schwermann4
Estimated H-index: 4
(University of Bonn)
+ 2 AuthorsThomas Martin26
Estimated H-index: 26
(University of Bonn)
A series of actualistic experiments were conducted to reconstruct probable taphonomic scenarios for a fossil mole specimen from the Enspel locality. Extant Talpa europaea carcasses immersed in water initially floated at the water surface then sank after a few hours or remained floating. Soft tissues started to decompose immediately and concomitantly putrefaction gas was produced and accumulated inside the body. Consequently, the carcasses became bloated, and the submerged ones re-surfaced. Gas f...
Published on Dec 1, 2012in Palaeontologische Zeitschrift1.27
Achim H. Schwermann4
Estimated H-index: 4
,
Thomas Martin26
Estimated H-index: 26
The partial skeleton of a young adult Geotrypus antiquus (de Blainville 1840) from the Upper Oligocene (MP 28) found in Enspel comprises the skull with both mandibles, distal ends of both scapulae, left clavicula, humeri, ulnae and radii of both sides, various elements of the hand, some vertebrae, ribs, and the left femur. For the first time, the previously postulated association between dentition and postcranial elements can be confirmed. The skeleton exhibits strong adaptations for a subterran...
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