Data from: Echericetus novellus n. gen. n. sp. (Cetacea: Mysticeti: Eomysticetidae), an Oligocene baleen whale from Baja California Sur, Mexico
Among the several evolutionary lineages of the baleen whales (Mysticeti), the eomysticetids are an ancient successful family that retain possibly non-functional teeth and functional baleen, a transitional stage between toothed and baleen-assisted filter-feeding mysticetes. However, the patchy fossil...
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ftzenodo:oai:zenodo.org:10385371 2024-09-15T17:57:24+00:00 Data from: Echericetus novellus n. gen. n. sp. (Cetacea: Mysticeti: Eomysticetidae), an Oligocene baleen whale from Baja California Sur, Mexico Hernández Cisneros, Atzcalli Ehécatl Schwennicke, Tobias Rochín-Bañaga, Heriberto Tsai, Cheng-Hsiu 2023-12-14 https://doi.org/10.5061/dryad.70rxwdc4s unknown Zenodo https://zenodo.org/communities/dryad https://doi.org/10.5061/dryad.70rxwdc4s oai:zenodo.org:10385371 info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Mysticeti baleen whale Oligocene Mexico info:eu-repo/semantics/other 2023 ftzenodo https://doi.org/10.5061/dryad.70rxwdc4s 2024-07-26T19:57:54Z Among the several evolutionary lineages of the baleen whales (Mysticeti), the eomysticetids are an ancient successful family that retain possibly non-functional teeth and functional baleen, a transitional stage between toothed and baleen-assisted filter-feeding mysticetes. However, the patchy fossil record leaves gaps in eomysticetids palaeobiology interpretations but their diversity and widespread geographical distribution can be a relevant proxy to understanding the evolution of crown Mysticeti. Here, we describe a new baleen whale, Echericetus novellus n. gen. n. sp., from the Oligocene of Mexico (slightly older than 27.95 million years ago). This new taxon has morphological features that show its affinity to Eomysticetidae, such as the intertemporal region longer than wide, elongate and oval temporal fossa, and a well-developed and lobate coronoid process of the mandible. Similarly, our cladistic analyses confirm the inclusion of Echericetus in the Eomysticetidae. Echericetus reinforces our notion of the eomysticetid diversity and disparity. Geographically, the existence of Echericetus from Mexico also indicates that eomysticetids inhabited subtropical regions in the Northern Hemisphere. Lastly, our discovery of a new eomysticetid from the Oligocene of Mexico provides new insights into the distribution patterns and habitat use of Eomysticetidae, essential to further explain the demise of this transitional lineage between toothed and baleen-bearing whales. Funding provided by: Consejo Nacional de Humanidades, Ciencias y Tecnologías Crossref Funder Registry ID: https://ror.org/059ex5q34 Award Number: 290143 Funding provided by: National Science and Technology Council Crossref Funder Registry ID: https://ror.org/02kv4zf79 Award Number: 108-2621-B-002-006-MY3 Funding provided by: National Science and Technology Council Crossref Funder Registry ID: https://ror.org/02kv4zf79 Award Number: 111-2621-B-002-006 Funding provided by: National Science and Technology Council Crossref Funder Registry ID: ... Other/Unknown Material baleen whale baleen whales Zenodo |
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Mysticeti baleen whale Oligocene Mexico |
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Mysticeti baleen whale Oligocene Mexico Hernández Cisneros, Atzcalli Ehécatl Schwennicke, Tobias Rochín-Bañaga, Heriberto Tsai, Cheng-Hsiu Data from: Echericetus novellus n. gen. n. sp. (Cetacea: Mysticeti: Eomysticetidae), an Oligocene baleen whale from Baja California Sur, Mexico |
topic_facet |
Mysticeti baleen whale Oligocene Mexico |
description |
Among the several evolutionary lineages of the baleen whales (Mysticeti), the eomysticetids are an ancient successful family that retain possibly non-functional teeth and functional baleen, a transitional stage between toothed and baleen-assisted filter-feeding mysticetes. However, the patchy fossil record leaves gaps in eomysticetids palaeobiology interpretations but their diversity and widespread geographical distribution can be a relevant proxy to understanding the evolution of crown Mysticeti. Here, we describe a new baleen whale, Echericetus novellus n. gen. n. sp., from the Oligocene of Mexico (slightly older than 27.95 million years ago). This new taxon has morphological features that show its affinity to Eomysticetidae, such as the intertemporal region longer than wide, elongate and oval temporal fossa, and a well-developed and lobate coronoid process of the mandible. Similarly, our cladistic analyses confirm the inclusion of Echericetus in the Eomysticetidae. Echericetus reinforces our notion of the eomysticetid diversity and disparity. Geographically, the existence of Echericetus from Mexico also indicates that eomysticetids inhabited subtropical regions in the Northern Hemisphere. Lastly, our discovery of a new eomysticetid from the Oligocene of Mexico provides new insights into the distribution patterns and habitat use of Eomysticetidae, essential to further explain the demise of this transitional lineage between toothed and baleen-bearing whales. Funding provided by: Consejo Nacional de Humanidades, Ciencias y Tecnologías Crossref Funder Registry ID: https://ror.org/059ex5q34 Award Number: 290143 Funding provided by: National Science and Technology Council Crossref Funder Registry ID: https://ror.org/02kv4zf79 Award Number: 108-2621-B-002-006-MY3 Funding provided by: National Science and Technology Council Crossref Funder Registry ID: https://ror.org/02kv4zf79 Award Number: 111-2621-B-002-006 Funding provided by: National Science and Technology Council Crossref Funder Registry ID: ... |
format |
Other/Unknown Material |
author |
Hernández Cisneros, Atzcalli Ehécatl Schwennicke, Tobias Rochín-Bañaga, Heriberto Tsai, Cheng-Hsiu |
author_facet |
Hernández Cisneros, Atzcalli Ehécatl Schwennicke, Tobias Rochín-Bañaga, Heriberto Tsai, Cheng-Hsiu |
author_sort |
Hernández Cisneros, Atzcalli Ehécatl |
title |
Data from: Echericetus novellus n. gen. n. sp. (Cetacea: Mysticeti: Eomysticetidae), an Oligocene baleen whale from Baja California Sur, Mexico |
title_short |
Data from: Echericetus novellus n. gen. n. sp. (Cetacea: Mysticeti: Eomysticetidae), an Oligocene baleen whale from Baja California Sur, Mexico |
title_full |
Data from: Echericetus novellus n. gen. n. sp. (Cetacea: Mysticeti: Eomysticetidae), an Oligocene baleen whale from Baja California Sur, Mexico |
title_fullStr |
Data from: Echericetus novellus n. gen. n. sp. (Cetacea: Mysticeti: Eomysticetidae), an Oligocene baleen whale from Baja California Sur, Mexico |
title_full_unstemmed |
Data from: Echericetus novellus n. gen. n. sp. (Cetacea: Mysticeti: Eomysticetidae), an Oligocene baleen whale from Baja California Sur, Mexico |
title_sort |
data from: echericetus novellus n. gen. n. sp. (cetacea: mysticeti: eomysticetidae), an oligocene baleen whale from baja california sur, mexico |
publisher |
Zenodo |
publishDate |
2023 |
url |
https://doi.org/10.5061/dryad.70rxwdc4s |
genre |
baleen whale baleen whales |
genre_facet |
baleen whale baleen whales |
op_relation |
https://zenodo.org/communities/dryad https://doi.org/10.5061/dryad.70rxwdc4s oai:zenodo.org:10385371 |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5061/dryad.70rxwdc4s |
_version_ |
1810433548446859264 |