Results 51 to 60 of about 814 (192)
, 2021 Fig. 17. Pharciceras kayseri Wedekind, 1918, specimen SMF.Mbg.2317 (Welsch 1913 Coll.) from Oberscheld (Prinzkessel Mine), reproduction from Wedekind (1918: pl. 20 fig. 2).
Korn, Dieter, Bockwinkel, Jürgen
core +1 more source
THE MIDDLE TRIASSIC NEW GENUS PRAEPINACOCERAS (FAMILY PINACOCERATIDAE)
Rivista Italiana di Paleontologia e Stratigrafia, 2017 The new genus Praepinacoceras with Pinacoceras damesi Mojsisovics, 1882 as type species is here described. This genus is represented by Upper Anisian to Ladinian species, having an involute, compressed shell, smooth or with thin ribs, or weak short folds
NERINA FANTINI SESTINI
doaj +1 more source
, 2019 Landman, Neil H., Kennedy, W. James, Larson, Neal L., Grier, Joyce C., Grier, James W., Linn, Tom (2019): Description Of Two Species Of Hoploscaphites (Ammonoidea: Ancyloceratina) From The Upper Cretaceous (Lower Maastrichtian) Of The U.S.
Linn, Tom. +7 more
core +1 more source
KOCAELIA GEN. N. (FAMILY BEYRICHITIDAE) FROM MIDDLE ANISIAN
Rivista Italiana di Paleontologia e Stratigrafia, 2018 The new genus Kocaelia, with Aspidites toulai (Arthaber) as a type species, is here described. Based on the involute and compressed shape, occurrence of straight to slightly sinuous ribs and subammonitic suture in mature individuals the genus Kocaelia is
NERINA FANTINI SESTINI
doaj +1 more source
RAIMONDICERAS RAIMONDII (GABB, 1877) (AMMONOIDEA): ESTUDIO TAXONÓMICO PRELIMINAR
, 2019 A reference taxonomic collection deposited in the Department of Paleontology of the Museum of Natural History “Vera Alleman Haeghebaert” of Ricardo Palma University consists of the identifi cation, registration and description of seventeen specimens of ...
Alleman Haeghebaert, Vera
core +2 more sources
, 2022 Fig. 5. Tornoceras frechi Wedekind, 1918. A. Specimen MB.C.834 (Beyrich Coll.) from Sessacker near Oberscheld. B. Suture line of specimen MB.C.834 (Beyrich Coll.); at ww = 4.5 mm, wh = 5.5 mm. C. Specimen MB.C.30411 (Dannenberg Coll.) from Sessacker near
Korn, Dieter, Bockwinkel, Jürgen
core +1 more source
Analysis of septal spacing and septal crowding in Devonian and Carboniferous ammonoids
Swiss Journal of Palaeontology, 2021 Septal crowding is widely known as a sign of maturity in conchs of ammonoids and nautiloids. However, reduced septal spacing may also occur as a consequence of adverse ecological conditions. Here, we address the question how septal spacing varied through
Sophie Marie Beck +3 more
doaj +1 more source
NEW EARLY BATHONIAN BIGOTITINAE AND ZIGZAGICERATINAE (AMMONOIDEA, MIDDLE JURASSIC)
Rivista Italiana di Paleontologia e Stratigrafia, 2007 Several tens of Lower Bathonian Bigotites from Digne-Castellane region (SE France) and Cabo Mondego area (Portugal) have been reviewed. Three species have been distinguished in the lowermost subzone of the Zigzag Zone (Parvum Subzone) just above the ...
SIXTO R. FERNÁNDEZ-LÓPEZ +3 more
doaj +1 more source
The gaudryceratid ammonoids from the Upper Cretaceous of the James Ross Basin, Antarctica [PDF]
Acta Palaeontologica Polonica, 2019 We describe new material of the subfamily Gaudryceratinae in Antarctica, including five new species: Gaudryceras submurdochi Raffi and Olivero sp. nov., Anagaudryceras calabozoi Raffi and Olivero sp.
María E. Raffi +2 more
doaj +1 more source
, 2021 Fig. 25. Pharciceras galeatum Wedekind, 1918, specimen SMF.Mbg.2316 (Welsch 1913 Coll.) from Oberscheld (Prinzkessel Mine); reproduction from Wedekind (1918: pl. 20 fig. 1).
Korn, Dieter, Bockwinkel, Jürgen
core +1 more source