Upper Jurassic lithographic limestones from Argentina (Neuquén basin): Stratigraphy and fossils

Phylogeny of Selected Sepiidae (Mollusca, Cephalopoda) on 12S, 16S, and COI Sequences, with Comments on the Taxonomic Reliability of Several Morphological Characters

“…Among citations with− out illustrations, Leanza and Hugo (1977) alluded to Krantz's specimen and reported Simoceras aff. S. volanense Krantz, 1928non Oppel (1863 from the same section or area studied by Krantz (1928); Leanza and Zeiss (1990, 1992, 1994 and Parent and Capello (1999) cited the occurrence of Simoceras in the Neuquen Basin, Argentina; Leanza (in Leanza and Zeiss 1990) cited Volanoceras from the same locality, and Parent (2001) and Parent et al (2006) mentioned Volanoceras kran− tzense Cantú−Chapa, 1990. The mention without illustration made by Krantz (1928) of a geographically intermediate re− cord of Simoceras in Peru (Welter 1913in Krantz 1928 was not taken into account in later revisions of simoceratins, and was unavailable for control.…”

A new Late Jurassic halecomorph fish from the marine Vaca Muerta Formation, Argentina, southwestern Gondwana

“…Schaeffer and Patterson, 1984;Lambers, 1992;Arratia, 2004). MOZ-Pv 3645 was firstly mentioned and illustrated by Cione et al (1987); in that publication the specimen was referred to as a halecomorph caturid-like fish based on similarities between the caudal skeleton structure and scales with those present in †Caturus (see Cione et al, 1987;Leanza and Zeiss, 1990). In contrast, Bogan et al (2013) proposed that the specimen might belong to †Pachycormiformes based on "a close inspection of the specimen osteology", but they did not list any anatomical characters supporting this perspective (Bogan et al, 2013, p. 191).…”

“…1). For more than 30 years MOZ-Pv 3645 was referred to as a caturid-like halecomorph (see Cione et al, 1987;Leanza and Zeiss, 1990;GouiricCavalli, 2013;Gouiric-Cavalli and Cione, 2015) but Bogan et al (2013) suggested that it could be a teleosteomorph ( †Pachycormiformes). The aim of this paper is to reassess whether MOZ-Pv 3645 is a halecomorph or a teleosteomorph by performing a comparative anatomical study of MOZ-Pv 3645 based on several well-preserved caturids and pachycormids.…”

Jonoichthys challwa gen. et sp. nov., a new Aspidorhynchiform (Osteichthyes, Neopterygii, Teleosteomorpha) from the marine Upper Jurassic sediments of Argentina, with comments about paleobiogeography of Jurassic aspidorhynchids

“…In Argentina the group is poorly known and only few specimens were mentioned in the literature (e.g., Bogan et al, 2011;Cione et al, 1987;Leanza and Zeiss, 1990). Recently, the revision of Pholidophorus argentinus Dolgopol de Saez, 1939 resulted in its reinterpretation as a member of Aspidorhynchiformes (Gouiric-Cavalli and Cione, 2013a).…”

“…The preliminary identification of the ammonite allowed me to determinate a more accurate age for the fish, which is late Early to early Middle Tithonian, corresponding to the Portada Covunco Member (Parent et al, 2013). This unit is lithologically characterized by dark grey to dark brown of bituminous shales and marls with calcareous concretions and nodules with abundant fish remains and invertebrate shells (Leanza and Zeiss, 1990;Parent et al, 2013) (Fig. 1B).…”