Unravelling the identity of the platanistoid <i>Notocetus vanbenedeni</i> Moreno, 1892 (Cetacea, Odontoceti) from the early Miocene of Patagonia (Argentina)

Viglino, Mariana; Buono, Mónica Romina; Tanaka, Yoshihiro; Cuitiño, José Ignacio; Fordyce, R. Ewan

doi:10.1080/14772019.2022.2082890

Cited by 9 publications

(20 citation statements)

References 79 publications

(2 reference statements)

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“…These assemblages share the occurrence of: two medium-sized physeteroids ( Diaphorocetus ortegai n. sp. and Rhaphicetus valenciae vs Diaphorocetus poucheti and Idiorophus patagonicus (Lydekker, 1893)); a relatively large, long-snouted heterodont odontocete ( Inticetus vertizi vs Phoberodon arctirostris Cabrera, 1926); at least one medium-sized, long-snouted homodont dolphin ( Chilcacetus cavirhinus and eurhinodelphinids vs Argyrocetus patagonicus Lydekker, 1893); a medium-sized squalodelphinid (possibly the same species, Notocetus vanbenedeni , but see Viglino et al , 2022 for an alternative interpretation); and a small kentriodontid ( Kentriodon sp.) (Lydekker 1893; Bianucci et al 2018b; Cuitiño et al 2019; Paolucci et al 2020; Bianucci et al 2020; Lambert et al 2021; Viglino et al 2019, 2021, 2022).…”

Section: Discussionmentioning

confidence: 99%

“…1D). The associated toothed whale fauna includes the longirostrine homodont odontocete Chilcacetus cavirhinus Lambert, Muizon & Bianucci, 2015 (Lambert et al 2015), the squalodelphinids Huaridelphis raimondii Lambert, Bianucci & Urbina, 2014 (Lambert et al 2014) and Notocetus vanbenedeni Moreno, 1892 (but see Viglino et al 2022 for a different taxonomic assessment of the Peruvian specimens referred by Bianucci et al 2015 to the latter taxon), and the kentriodontid Kentriodon sp. (Bianucci et al 2018b).…”

Section: Stratigraphic Setting and Palaeoenvironmental Frameworkmentioning

confidence: 99%

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A new platyrostrine sperm whale from the Early Miocene of the southeastern Pacific (East Pisco Basin, Peru) supports affinities with the southwestern Atlantic cetacean fauna

Lambert,

Collareta,

Benites-Palomino

et al. 2023

Geodiversitas

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Geodiversitas est indexé dans / Geodiversitas is indexed in:-Science Citation Index Expanded (SciSearch ® ) -ISI Alerting Services ® -Current Contents ® / Physical, Chemical, and Earth Sciences® -Scopus ® Geodiversitas est distribué en version électronique par / Geodiversitas is distributed electronically by: -BioOne ® (http://www.bioone.org) Les articles ainsi que les nouveautés nomenclaturales publiés dans Geodiversitas sont référencés par / Articles and nomenclatural novelties published in Geodiversitas are referenced by: -ZooBank ® (http://zoobank.org) GEODIVERSITAS • 2023 • 45 (22) © Publications scientifiques du Muséum national d'Histoire naturelle, Paris.

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Section: Discussionmentioning

confidence: 99%

Section: Stratigraphic Setting and Palaeoenvironmental Frameworkmentioning

confidence: 99%

A new platyrostrine sperm whale from the Early Miocene of the southeastern Pacific (East Pisco Basin, Peru) supports affinities with the southwestern Atlantic cetacean fauna

Lambert,

Collareta,

Benites-Palomino

et al. 2023

Geodiversitas

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“…The platanistoid Notocetus vanbenedeni was the most abundant species in the Gaiman Fm. (Cuitiño et al, 2019), with a mosaic morphology that hints to the evolution of the bizarre Platanista skull (Viglino et al, 2022).…”

Section: Early Miocenementioning

confidence: 99%

“…Fossils from this area indicate that several Platanistoidea morphologies coexisted, including the large squalodelphinid Macrosqualodelphis, the small Huaridelphis, and the hyperlongirostrine Ensidelphis (Lambert et al, 2014;Bianucci et al, 2018Bianucci et al, , 2020. Taxa with specific adaptations such as the arched-rostrum of Furcacetus were also part of Chilcatay Fm., along with species also common in Patagonia such as Notocetus vanbenedeni (Bianucci et al, 2020; but see Viglino et al, 2022). This broad diversity of species with a range of ecological niches only lasted a few million years.…”

Section: Early Miocenementioning

confidence: 99%

Aquatic mammal fossils in Latin America – a review of records, advances and challenges in research in the last 30 years

Viglino

Valenzuela‐Toro

Benites‐Palomino

et al. 2023

Lat. Am. J. Aquat. Mamm.

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Records of aquatic mammal fossils (e.g. cetaceans, pinnipeds, sirenians, mustelids, and desmostylians) from Latin America (Mexico to Tierra del Fuego, including Antartica) span since the mid-1800s. Aquatic mammal fossils received little attention from the scientific community, with most of the first studies conducted by Northern Hemisphere researchers. Over the last 30 years, paleontological research in Latin America has increased considerably, with descriptions of several new species and revisions of published original records. The Latin American fossil record of marine mammals spans from the Eocene to the Pleistocene, with formations and specimens of global significance. All three main groups of cetaceans are represented in the continent (Archaeoceti, Mysticeti, and Odontoceti). Pinnipedia are represented by the families Otariidae and Phocidae, with records starting in the Middle Miocene. Both living families of Sirenia (Trichechidae and Dugongidae) are recorded. While less common, but still relevant, records of desmostylians and mustelids are known from Oligocene and Miocene deposits. This review provides a summary of the aquatic mammals known to date, with a special focus on the advances and developments of the last 30 years, since Cozzuol’s (1996) review of the South American fossil record. An up-to-date complete list of species based on the literature and unpublished data is also provided. The study also provides future directions for paleontological research in Latin America, and discusses the challenges and opportunities in the field, including the emergence of a strong new generation of Latin American researchers, many of whom are women.

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“…In Argentina, the marine sediments from Patagonia preserved a rich assemblage of Miocene odontocetes (e.g., Cuitiño et al, 2019;Viglino et al, 2023). In the last decades the Early Miocene marine outcrops (Gaiman Formation) have been the focus of many discoveries with worldwide importance, including one of the earliest sperm whales, Diaphorocetus poucheti, the oldest balaenid Morenocetus parvus, and the archaic Prosqualodon australis, among others (Buono et al, 2017;Gaetán et al, 2019;Paolucci et al, 2019;Viglino et al, 2021Viglino et al, , 2022. A great part of those came from the re-description of already known species, some from a century ago (e.g., Gaetán et al, 2019;Paolucci et al, 2019;Viglino et al, 2018a), but others are newly discovered specimens that represent new species (Viglino et al, 2018b(Viglino et al, , 2021.…”

Section: Introductionmentioning

confidence: 99%

A new squaloziphiid-like odontocete from the Early Miocene of Patagonia expands the cetacean diversity in the southwestern Atlantic Ocean

Gaetán

Paolucci

Buono

2022

Journal of Vertebrate Paleontology

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The Early Miocene Gaiman Formation, from Argentina, houses a taxonomic variety of odontocetes, mainly dominated by platanistoids and physeteroids. In this work, we describe a new medium-sized odontocete, Crisocetus lydekkeri gen. et sp. nov., based on a partial skull, which expands the diversity of odontocetes in the Early Miocene beds of Patagonia (Argentina). The phylogenetic analyses placed C. lydekkeri within the crown Odontoceti, stemward to delphinidans, ziphiids, and physeteroids. Crisocetus lydekkeri displays a set of characters that are shared with the members of the Squaloziphiidae family (i.e., Squaloziphius emlongi and Yaquinacetus meadi), such as a massive postglenoid process of the squamosal, ventrally longer than the posttympanic process and the exoccipital; apex of postglenoid process anteroposteriorly longer than transversely thick; presence of a deep emargination by a neck muscle fossa on the posterior end of the zygomatic process; basioccipital crests forming an angle of circa 70–90°; and a basioccipital width wider than 51% of the skull width in ventral view. Thus, we recognize a squaloziphiid-like morphology shared by C. lydekkeri, S. emlongi, Y. meadi, and even Dolgopolis kinchikafiforo. Our phylogenetic analyses partially support the inclusion of C. lydekkeri within Squaloziphiidae, however this family is recovered with low support. Finally, the presence of C. lydekkeri and even D. kinchikafiforo in the Early Miocene of Patagonia expands the paleogeographic distribution of squaloziphiid-like forms to the southwest coast of the Atlantic Ocean, suggesting that these taxa had an almost antitropical distribution.

show abstract

Unravelling the identity of the platanistoid Notocetus vanbenedeni Moreno, 1892 (Cetacea, Odontoceti) from the early Miocene of Patagonia (Argentina)

Cited by 9 publications

References 79 publications

A new platyrostrine sperm whale from the Early Miocene of the southeastern Pacific (East Pisco Basin, Peru) supports affinities with the southwestern Atlantic cetacean fauna

A new platyrostrine sperm whale from the Early Miocene of the southeastern Pacific (East Pisco Basin, Peru) supports affinities with the southwestern Atlantic cetacean fauna

Aquatic mammal fossils in Latin America – a review of records, advances and challenges in research in the last 30 years

A new squaloziphiid-like odontocete from the Early Miocene of Patagonia expands the cetacean diversity in the southwestern Atlantic Ocean

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