A diverse ant fauna from the mid-cretaceous of Myanmar (Hymenoptera: Formicidae).

A new collection of 24 wingless ant specimens from mid-Cretaceous Burmese amber (Albian-Cenomanian, 99 Ma) comprises nine new species belonging to the genus Sphecomyrmodes Engel and Grimaldi. Described taxa vary considerably with regard to total size, head and body proportion, cuticular sculpturing,...

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Autores principales:	Phillip Barden, David Grimaldi
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/77e24a3545dc4602b2165ae510550b40
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spelling	oai:doaj.org-article:77e24a3545dc4602b2165ae510550b402021-11-18T08:24:57ZA diverse ant fauna from the mid-cretaceous of Myanmar (Hymenoptera: Formicidae).1932-620310.1371/journal.pone.0093627https://doaj.org/article/77e24a3545dc4602b2165ae510550b402014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24699881/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203A new collection of 24 wingless ant specimens from mid-Cretaceous Burmese amber (Albian-Cenomanian, 99 Ma) comprises nine new species belonging to the genus Sphecomyrmodes Engel and Grimaldi. Described taxa vary considerably with regard to total size, head and body proportion, cuticular sculpturing, and petiole structure while all species are unified by a distinct shared character. The assemblage represents the largest known diversification of closely related Cretaceous ants with respect to species number. These stem-group ants exhibit some characteristics previously known only from their extant counterparts along with presumed plesiomorphic morphology. Consequently, their morphology may inform hypotheses relating to basal relationships and general patterns of ant evolution. These and other uncovered Cretaceous species indicate that stem-group ants are not simply wasp-like, transitional formicids, but rather a group of considerable adaptive diversity, exhibiting innovations analogous to what crown-group ants would echo 100 million years later.Phillip BardenDavid GrimaldiPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 4, p e93627 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Phillip Barden David Grimaldi A diverse ant fauna from the mid-cretaceous of Myanmar (Hymenoptera: Formicidae).
description	A new collection of 24 wingless ant specimens from mid-Cretaceous Burmese amber (Albian-Cenomanian, 99 Ma) comprises nine new species belonging to the genus Sphecomyrmodes Engel and Grimaldi. Described taxa vary considerably with regard to total size, head and body proportion, cuticular sculpturing, and petiole structure while all species are unified by a distinct shared character. The assemblage represents the largest known diversification of closely related Cretaceous ants with respect to species number. These stem-group ants exhibit some characteristics previously known only from their extant counterparts along with presumed plesiomorphic morphology. Consequently, their morphology may inform hypotheses relating to basal relationships and general patterns of ant evolution. These and other uncovered Cretaceous species indicate that stem-group ants are not simply wasp-like, transitional formicids, but rather a group of considerable adaptive diversity, exhibiting innovations analogous to what crown-group ants would echo 100 million years later.
format	article
author	Phillip Barden David Grimaldi
author_facet	Phillip Barden David Grimaldi
author_sort	Phillip Barden
title	A diverse ant fauna from the mid-cretaceous of Myanmar (Hymenoptera: Formicidae).
title_short	A diverse ant fauna from the mid-cretaceous of Myanmar (Hymenoptera: Formicidae).
title_full	A diverse ant fauna from the mid-cretaceous of Myanmar (Hymenoptera: Formicidae).
title_fullStr	A diverse ant fauna from the mid-cretaceous of Myanmar (Hymenoptera: Formicidae).
title_full_unstemmed	A diverse ant fauna from the mid-cretaceous of Myanmar (Hymenoptera: Formicidae).
title_sort	diverse ant fauna from the mid-cretaceous of myanmar (hymenoptera: formicidae).
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/77e24a3545dc4602b2165ae510550b40
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A diverse ant fauna from the mid-cretaceous of Myanmar (Hymenoptera: Formicidae).

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