A synoptic review of the Eocene (Ypresian) cartilaginous fishes (Chondrichthyes: Holocephali, Elasmobranchii) of the Bolca Konservat-Lagerstätte, Italy

G Marramà, G Carnevale, A Engelbrecht, KM Claeson… - PalZ, 2018 - Springer
Here, we review and discuss the records and taxonomy of the Ypresian (Eocene)
chondrichthyans from the famous Bolca Konservat-Lagerstätte in northeastern Italy. Despite …

Principal component and discriminant analyses as powerful tools to support taxonomic identification and their use for functional and phylogenetic signal detection of …

G Marramà, J Kriwet - PloS one, 2017 - journals.plos.org
Identifying isolated teeth of fossil selachians only based on qualitative characters is
sometimes hindered by similarity in their morphology, resulting often in heated taxonomic …

[HTML][HTML] The phylogeny of rays and skates (Chondrichthyes: Elasmobranchii) based on morphological characters revisited

E Villalobos-Segura, G Marramà, G Carnevale… - Diversity, 2022 - mdpi.com
Elasmobranchii are relatively well-studied. However, numerous phylogenetic uncertainties
about their relationships remain. Here, we revisit the phylogenetic evidence based on a …

Stratigraphy and paleobiology of the Upper Cretaceous-Lower Paleogene sediments from the trans-Saharan seaway in Mali

MA O'leary, ML Bouaré, KM Claeson… - Bulletin of the American …, 2019 - BioOne
An epicontinental sea bisected West Africa periodically from the Late Cretaceous to the early
Eocene, in dramatic contrast to the current Sahara Desert that dominates the same region …

Alike but genetically divergent: The resurrection of Urotrygon asterias (Jordan & Gilbert, 1883) from its closest relatives, the Munda and the Blotched stingray

NR Ehemann, S Hernández… - Journal of Fish …, 2024 - Wiley Online Library
The genus Urotrygon comprises small‐to medium‐sized endemic round rays on the
American continent and has undergone several synonymization processes. Here, we used …

Anatomy, relationships and palaeobiogeographic implications of the first Neogene holomorphic stingray (Myliobatiformes: Dasyatidae) from the early Miocene of …

G Marramà, S Klug, J De Vos… - Zoological Journal of the …, 2018 - academic.oup.com
The early Miocene stingray† Trygon vorstmani represented by a single specimen collected
from the fish-bearing limestones of the Tonasa Formation of SW Sulawesi, Indonesia, is …

Diversity, palaeoecology and palaeoenvironmental significance of the Eocene chondrichthyan assemblages of the Bolca Lagerstätte, Italy

G Marramà, G Carnevale, J Kriwet - Lethaia, 2021 - idunn.no
Over the last few years, the morphology, taxonomy and systematics of the cartilaginous fish
taxa of the two main sites of the Bolca Lagerstätte, Italy,(Pesciara and Monte Postale sites) …

An Eocene paraclupeid fish (Teleostei, Ellimmichthyiformes) from Bolca, Italy: the youngest marine record of double‐armoured herrings

G Marramà, AF Bannikov, J Kriwet… - Papers in …, 2019 - Wiley Online Library
A new double‐armoured herring of the clupeomorph order Ellimmichthyiformes,
Eoellimmichthys superstes gen. et sp. nov., is described herein based on a single partially …

Reappraisal of the Eocene whiptail stingrays (Myliobatiformes, Dasyatidae) of the Bolca Lagerstätte, Italy

G Marramà, G Carnevale, GJP Naylor… - Zoologica Scripta, 2019 - Wiley Online Library
The Eocene whiptail stingrays of the family Dasyatidae from the Bolca Lagerstätte, NE Italy,
are revised herein in detail. The analysis of the anatomical and morphometric features …

A bizarre Eocene dasyatoid batomorph (Elasmobranchii, Myliobatiformes) from the Bolca Lagerstätte (Italy) reveals a new, extinct body plan for stingrays

G Marramà, G Carnevale, L Giusberti, GJP Naylor… - Scientific Reports, 2019 - nature.com
In the last few years, the detailed revision of the Eocene cartilaginous fishes
(Chondrichthyes) from the Bolca Lagerstätte (Italy) has provided new insights into the fish …