Late Cretaceous dwarf decapods from Guerrero, southern Mexico and their migration patterns

Two new brachyuran species are described for the Upper Cretaceous Mexcala Formation, Guerrero State, Mexico. Longusorbis quadratus new species (Coniacian, Temalac region) is the oldest and southernmost record for the genus. Xanthosia zoquiapensis new species (Campanian, Zoquiapa region) is the first...

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Main Authors: Fraaije, R.H.B. (Ren\xc3\xa9), Vega, F.J., Bakel, B.W.M. (Barry) van, Garibay-Romero, L.M.
Format: Article in Journal/Newspaper
Language:unknown
Published: 2006
Subjects:
Online Access:https://repository.naturalis.nl/pub/214533
id ftnaturalis:oai:repository.naturalis.nl:214533
record_format openpolar
spelling ftnaturalis:oai:repository.naturalis.nl:214533 2024-02-11T10:04:23+01:00 Late Cretaceous dwarf decapods from Guerrero, southern Mexico and their migration patterns Fraaije, R.H.B. (Ren\xc3\xa9) Vega, F.J. Bakel, B.W.M. (Barry) van Garibay-Romero, L.M. 2006-01-01 application/pdf https://repository.naturalis.nl/pub/214533 unknown https://repository.naturalis.nl/pub/214533 Contributions to Zoology vol. 75, 3/4, pp. 121-132 Dwarfism decapoda Cretaceous new species Mexico info:eu-repo/semantics/article 2006 ftnaturalis 2024-01-17T23:26:05Z Two new brachyuran species are described for the Upper Cretaceous Mexcala Formation, Guerrero State, Mexico. Longusorbis quadratus new species (Coniacian, Temalac region) is the oldest and southernmost record for the genus. Xanthosia zoquiapensis new species (Campanian, Zoquiapa region) is the first record for the genus in Mexico. In addition, the age for Costacopluma bishopi Vega and Feldmann is discussed (Coniacian, Temalac region) and represents the oldest and southernmost record for Cretaceous representatives of this genus in North America. All specimens are considerably smaller compared to other species of the same genera and are interpreted as the first example of brachyuran dwarfism in the geological record. These species add new insight into possible migratory routes during the Late Cretaceous. Within Longusorbis, a northwestern migratory route is documented from the Coniacian in Mexico to the Campanian - Maastrichtian of the west coast of North America (Canada), whereas within the genus Xanthosia, a western migratory route from the Albian of Europe to the Campanian of Mexico is indicated. Costacopluma migrated east and north to the west coast of Africa, southeast North America and Greenland. Article in Journal/Newspaper Greenland Naturalis Institutional Repository Canada Greenland
institution Open Polar
collection Naturalis Institutional Repository
op_collection_id ftnaturalis
language unknown
topic Dwarfism
decapoda
Cretaceous
new species
Mexico
spellingShingle Dwarfism
decapoda
Cretaceous
new species
Mexico
Fraaije, R.H.B. (Ren\xc3\xa9)
Vega, F.J.
Bakel, B.W.M. (Barry) van
Garibay-Romero, L.M.
Late Cretaceous dwarf decapods from Guerrero, southern Mexico and their migration patterns
topic_facet Dwarfism
decapoda
Cretaceous
new species
Mexico
description Two new brachyuran species are described for the Upper Cretaceous Mexcala Formation, Guerrero State, Mexico. Longusorbis quadratus new species (Coniacian, Temalac region) is the oldest and southernmost record for the genus. Xanthosia zoquiapensis new species (Campanian, Zoquiapa region) is the first record for the genus in Mexico. In addition, the age for Costacopluma bishopi Vega and Feldmann is discussed (Coniacian, Temalac region) and represents the oldest and southernmost record for Cretaceous representatives of this genus in North America. All specimens are considerably smaller compared to other species of the same genera and are interpreted as the first example of brachyuran dwarfism in the geological record. These species add new insight into possible migratory routes during the Late Cretaceous. Within Longusorbis, a northwestern migratory route is documented from the Coniacian in Mexico to the Campanian - Maastrichtian of the west coast of North America (Canada), whereas within the genus Xanthosia, a western migratory route from the Albian of Europe to the Campanian of Mexico is indicated. Costacopluma migrated east and north to the west coast of Africa, southeast North America and Greenland.
format Article in Journal/Newspaper
author Fraaije, R.H.B. (Ren\xc3\xa9)
Vega, F.J.
Bakel, B.W.M. (Barry) van
Garibay-Romero, L.M.
author_facet Fraaije, R.H.B. (Ren\xc3\xa9)
Vega, F.J.
Bakel, B.W.M. (Barry) van
Garibay-Romero, L.M.
author_sort Fraaije, R.H.B. (Ren\xc3\xa9)
title Late Cretaceous dwarf decapods from Guerrero, southern Mexico and their migration patterns
title_short Late Cretaceous dwarf decapods from Guerrero, southern Mexico and their migration patterns
title_full Late Cretaceous dwarf decapods from Guerrero, southern Mexico and their migration patterns
title_fullStr Late Cretaceous dwarf decapods from Guerrero, southern Mexico and their migration patterns
title_full_unstemmed Late Cretaceous dwarf decapods from Guerrero, southern Mexico and their migration patterns
title_sort late cretaceous dwarf decapods from guerrero, southern mexico and their migration patterns
publishDate 2006
url https://repository.naturalis.nl/pub/214533
geographic Canada
Greenland
geographic_facet Canada
Greenland
genre Greenland
genre_facet Greenland
op_source Contributions to Zoology vol. 75, 3/4, pp. 121-132
op_relation https://repository.naturalis.nl/pub/214533
_version_ 1790600972362317824