Buoyancy mechanisms limit preservation of coleoid cephalopod soft tissues in Mesozoic Lagerstätten

T Clements, C Colleary, K De Baets, J Vinther - Palaeontology, 2017 - Wiley Online Library
Coleoid cephalopods are characterized by internalization of their shell, and are divided into
the ten‐armed Decabrachia (squids and cuttlefish) and the eight‐armed Vampyropoda …

Is the relative thickness of ammonoid septa influenced by ocean acidification, phylogenetic relationships and palaeogeographic position?

C Weber, M Hautmann, A Tajika, C Klug - Swiss Journal of Palaeontology, 2022 - Springer
The impact of increasing atmospheric CO2 and the resulting decreasing pH of seawater are
in the focus of current environmental research. These factors cause problems for marine …

[PDF][PDF] El registro fósil de los ammonoideos del Carbonífero-Pérmico de México y sus aportes bioestratigráficos, paleobiogeográficos y paleoambientales: una revisión

M Ruiz-Naranjo, MA Torres-Martínez - Paleontología Mexicana, 2022 - researchgate.net
Los ammonoideos son proxies muy recurridos en la estratigrafía por ser considerados
importantes fósiles índice. Debido a su relevancia, en este trabajo se realizó una revisión …

Ontogenetic analysis of Anisian (Middle Triassic) ptychitid ammonoids from Nevada, USA

EA Bischof, J Lehmann - Journal of Paleontology, 2020 - cambridge.org
Ptychites is among the most widely distributed ammonoid genera of the Triassic and is
namesake of a family and superfamily. However, representatives of the genus mostly show …

[PDF][PDF] Ammoniten (Ammonoidea)

A TAJIKA, P KÜRSTEINER, A PICTET, R JATTIOT - PLoS ONE, 2018 - researchgate.net
Mittleren Devon gibt es keine Ammonoideen mehr, deren Windungen sich nicht berühren.
Im Mesozoikum (Späte Trias, Mittlerer Jura, Kreide) entwickelten sich mehrfach Formen …

[PDF][PDF] Revize jurské amonitové fauny z Moravského krasu a Brna

P HYKŠ - 2000 - is.muni.cz
Diplomová práce je zaměřena na taxonomickou revizi středně a pozdně jurských (callov-
oxford) amonitů (Ammonitida), skupinu vymřelých hlavonožců z řad amonoidů …