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Hace 4 días · The diversity and abundance of ammonites provide a solid record for the diagnosing the lower Valanginian zones; however, the recurrent appearance of poorly known taxa revealed the existence of a knowledge gap in the lower Valanginian ammonite taxonomy.
Hace 5 días · Ammonites continue to leave an indelible mark on contemporary science. Their well-preserved fossils provide crucial chronological markers, aiding geologists in dating rock layers and correlating geological events across different regions.
Hace 1 día · Ataxioceratinae of the genus Olorizia are characteristic ammonites of the Kimmeridgian Eastern Iberian platform. Olorizia was established as a dimorphic monospecific genus that containing a single species (Olorizia olorizi) endowed with a remarkably wide phenotypic variability. Its morphological plasticity allowed recognizing three morphotypes. They are interpreted as endemic forms and the ...
Hace 5 días · The researchers assembled a new database of Late Cretaceous ammonite fossils to fill in the sampling gaps in the fossil record, drawing on collections from museums as against relying on published studies. The researchers discovered that the balance between evolution and speciation shifted through geological time and different geographic regions.
Hace 3 días · Scientists described the newly-discovered fossil in a paper in the journal Nature. ... Ammonites' fate sealed by meteor strike that wiped out dinosaurs. Jun 27, 2024. Load comments (0) ...
Hace 2 días · Marine Species Traits editorial board (2024). Marine Species Traits. Rhyncholampas gouldii newbernensis Kier, 1997 †. Accessed at: https://www.marinespecies.org ...
Hace 3 días · I have promised in a previous post that I will make a report about the Upper Triassic (Carnian) ammonites of Epidaurus - Greece, so here I am. The Triassic of Epidauros has two basic formations; one being the Asklepieion Kalke (Asklepieion limestone FM) and the other is the Upper Triassic (lower ...
