A new physeteroid from the late Miocene of Peru expands the diversity of extinct dwarf and pygmy sperm whales (Cetacea: Odontoceti: Kogiidae)
Nowadays, the odontocete family Kogiidae is monotypic and only includes two species of diminutive relatives of the great sperm whale Physeter Linnaeus, 1758. Conversely, a growing body of extinct species indicates that kogiids were diverse and disparate during the late Neogene. The fossil record of...
Main Authors: | , , , , , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | English French |
Published: |
Elsevier
2020
|
Subjects: | |
Online Access: | https://www.zora.uzh.ch/id/eprint/190655/ https://www.zora.uzh.ch/id/eprint/190655/1/comptes-rendus-palevol2020v19a5-pdfa.pdf http://cr-palevol.fr/19/5 https://doi.org/10.5167/uzh-190655 https://doi.org/10.5852/cr-palevol2020v19a5 |
id |
ftunivzuerich:oai:www.zora.uzh.ch:190655 |
---|---|
record_format |
openpolar |
spelling |
ftunivzuerich:oai:www.zora.uzh.ch:190655 2024-09-30T14:44:17+00:00 A new physeteroid from the late Miocene of Peru expands the diversity of extinct dwarf and pygmy sperm whales (Cetacea: Odontoceti: Kogiidae) Collareta, Alberto Lambert, Olivier de Muizon, Christian Benites Palomino, Aldo Marcelo Urbina, Mario Bianucci, Giovanni 2020-10-05 application/pdf https://www.zora.uzh.ch/id/eprint/190655/ https://www.zora.uzh.ch/id/eprint/190655/1/comptes-rendus-palevol2020v19a5-pdfa.pdf http://cr-palevol.fr/19/5 https://doi.org/10.5167/uzh-190655 https://doi.org/10.5852/cr-palevol2020v19a5 eng fra eng fre Elsevier https://www.zora.uzh.ch/id/eprint/190655/1/comptes-rendus-palevol2020v19a5-pdfa.pdf doi:10.5167/uzh-190655 doi:10.5852/cr-palevol2020v19a5 urn:issn:1631-0683 info:eu-repo/semantics/openAccess Creative Commons: Attribution 4.0 International (CC BY 4.0) http://creativecommons.org/licenses/by/4.0/ Collareta, Alberto; Lambert, Olivier; de Muizon, Christian; Benites Palomino, Aldo Marcelo; Urbina, Mario; Bianucci, Giovanni (2020). A new physeteroid from the late Miocene of Peru expands the diversity of extinct dwarf and pygmy sperm whales (Cetacea: Odontoceti: Kogiidae). Comptes Rendus Palevol, 95(5):79-100. Department of Paleontology 560 Fossils & prehistoric life Journal Article PeerReviewed info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2020 ftunivzuerich https://doi.org/10.5167/uzh-19065510.5852/cr-palevol2020v19a5 2024-09-11T00:49:02Z Nowadays, the odontocete family Kogiidae is monotypic and only includes two species of diminutive relatives of the great sperm whale Physeter Linnaeus, 1758. Conversely, a growing body of extinct species indicates that kogiids were diverse and disparate during the late Neogene. The fossil record of Kogiidae is, to date, represented by several cranial specimens from Mio-Pliocene localities of the Northern Hemisphere, with the significant Southern Hemisphere exception of the Pisco Formation of Peru, from which two genera were known so far, including Scaphokogia Muizon, 1988, a highly idiosyncratic form characterised by a distinctly spoon-shaped dorsal surface of the neurocranium and a downturned semicylindrical rostrum, which is even placed in its own subfamily Scaphokogiinae. Here, we report on two skulls of Kogiidae from the Messinian (upper Miocene) portion of the Pisco Formation exposed in the East Pisco Basin. These two skulls are referred to the new taxon Platyscaphokogia landinii n. gen., n. sp., which our phylogenetic analysis recovers as sister group of Scaphokogia, within the subfamily Scaphokogiinae. Although Platyscaphokogia n. gen. shares with Scaphokogia a remarkably spoon-like dorsal aspect of the neurocranium, it retains a non-pachyostotic, dorsoventrally thin rostrum that distinctly points anteriorly; as such, Platyscaphokogia n. gen. might be regarded as testifying an early stage in the evolution of the scaphokogiine cranial anatomy. Morphofunctional and palaeoecological considerations allow for hypothesising that Platyscaphokogia n. gen. was a raptorial physeteroid that foraged along the water column in relatively open-sea palaeoenvironments. In conclusion, our finds expand the palaeodiversity of Kogiidae, as well as our knowledge on the late Miocene sperm whales of the southeastern Pacific, and further suggest that the fossil content of the East Pisco Basin is crucial for reconstructing the Neogene evolutionary history of physeteroids. La famille d’odontocètes Kogiidae est de nos jours ... Article in Journal/Newspaper Sperm whale University of Zurich (UZH): ZORA (Zurich Open Repository and Archive Pacific Pisco ENVELOPE(-62.450,-62.450,-62.950,-62.950) |
institution |
Open Polar |
collection |
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive |
op_collection_id |
ftunivzuerich |
language |
English French |
topic |
Department of Paleontology 560 Fossils & prehistoric life |
spellingShingle |
Department of Paleontology 560 Fossils & prehistoric life Collareta, Alberto Lambert, Olivier de Muizon, Christian Benites Palomino, Aldo Marcelo Urbina, Mario Bianucci, Giovanni A new physeteroid from the late Miocene of Peru expands the diversity of extinct dwarf and pygmy sperm whales (Cetacea: Odontoceti: Kogiidae) |
topic_facet |
Department of Paleontology 560 Fossils & prehistoric life |
description |
Nowadays, the odontocete family Kogiidae is monotypic and only includes two species of diminutive relatives of the great sperm whale Physeter Linnaeus, 1758. Conversely, a growing body of extinct species indicates that kogiids were diverse and disparate during the late Neogene. The fossil record of Kogiidae is, to date, represented by several cranial specimens from Mio-Pliocene localities of the Northern Hemisphere, with the significant Southern Hemisphere exception of the Pisco Formation of Peru, from which two genera were known so far, including Scaphokogia Muizon, 1988, a highly idiosyncratic form characterised by a distinctly spoon-shaped dorsal surface of the neurocranium and a downturned semicylindrical rostrum, which is even placed in its own subfamily Scaphokogiinae. Here, we report on two skulls of Kogiidae from the Messinian (upper Miocene) portion of the Pisco Formation exposed in the East Pisco Basin. These two skulls are referred to the new taxon Platyscaphokogia landinii n. gen., n. sp., which our phylogenetic analysis recovers as sister group of Scaphokogia, within the subfamily Scaphokogiinae. Although Platyscaphokogia n. gen. shares with Scaphokogia a remarkably spoon-like dorsal aspect of the neurocranium, it retains a non-pachyostotic, dorsoventrally thin rostrum that distinctly points anteriorly; as such, Platyscaphokogia n. gen. might be regarded as testifying an early stage in the evolution of the scaphokogiine cranial anatomy. Morphofunctional and palaeoecological considerations allow for hypothesising that Platyscaphokogia n. gen. was a raptorial physeteroid that foraged along the water column in relatively open-sea palaeoenvironments. In conclusion, our finds expand the palaeodiversity of Kogiidae, as well as our knowledge on the late Miocene sperm whales of the southeastern Pacific, and further suggest that the fossil content of the East Pisco Basin is crucial for reconstructing the Neogene evolutionary history of physeteroids. La famille d’odontocètes Kogiidae est de nos jours ... |
format |
Article in Journal/Newspaper |
author |
Collareta, Alberto Lambert, Olivier de Muizon, Christian Benites Palomino, Aldo Marcelo Urbina, Mario Bianucci, Giovanni |
author_facet |
Collareta, Alberto Lambert, Olivier de Muizon, Christian Benites Palomino, Aldo Marcelo Urbina, Mario Bianucci, Giovanni |
author_sort |
Collareta, Alberto |
title |
A new physeteroid from the late Miocene of Peru expands the diversity of extinct dwarf and pygmy sperm whales (Cetacea: Odontoceti: Kogiidae) |
title_short |
A new physeteroid from the late Miocene of Peru expands the diversity of extinct dwarf and pygmy sperm whales (Cetacea: Odontoceti: Kogiidae) |
title_full |
A new physeteroid from the late Miocene of Peru expands the diversity of extinct dwarf and pygmy sperm whales (Cetacea: Odontoceti: Kogiidae) |
title_fullStr |
A new physeteroid from the late Miocene of Peru expands the diversity of extinct dwarf and pygmy sperm whales (Cetacea: Odontoceti: Kogiidae) |
title_full_unstemmed |
A new physeteroid from the late Miocene of Peru expands the diversity of extinct dwarf and pygmy sperm whales (Cetacea: Odontoceti: Kogiidae) |
title_sort |
new physeteroid from the late miocene of peru expands the diversity of extinct dwarf and pygmy sperm whales (cetacea: odontoceti: kogiidae) |
publisher |
Elsevier |
publishDate |
2020 |
url |
https://www.zora.uzh.ch/id/eprint/190655/ https://www.zora.uzh.ch/id/eprint/190655/1/comptes-rendus-palevol2020v19a5-pdfa.pdf http://cr-palevol.fr/19/5 https://doi.org/10.5167/uzh-190655 https://doi.org/10.5852/cr-palevol2020v19a5 |
long_lat |
ENVELOPE(-62.450,-62.450,-62.950,-62.950) |
geographic |
Pacific Pisco |
geographic_facet |
Pacific Pisco |
genre |
Sperm whale |
genre_facet |
Sperm whale |
op_source |
Collareta, Alberto; Lambert, Olivier; de Muizon, Christian; Benites Palomino, Aldo Marcelo; Urbina, Mario; Bianucci, Giovanni (2020). A new physeteroid from the late Miocene of Peru expands the diversity of extinct dwarf and pygmy sperm whales (Cetacea: Odontoceti: Kogiidae). Comptes Rendus Palevol, 95(5):79-100. |
op_relation |
https://www.zora.uzh.ch/id/eprint/190655/1/comptes-rendus-palevol2020v19a5-pdfa.pdf doi:10.5167/uzh-190655 doi:10.5852/cr-palevol2020v19a5 urn:issn:1631-0683 |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons: Attribution 4.0 International (CC BY 4.0) http://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.5167/uzh-19065510.5852/cr-palevol2020v19a5 |
_version_ |
1811645660226650112 |