The phylogenetic position of <i>Dinogeophilus</i> and a new evolutionary framework for the smallest epimorphic centipedes (Chilopoda: Epimorpha)

The centipedes of the clade Epimorpha change slightly during post-embryonic growth but there is huge variation between species in the maximum body size. New specimens of the rarely collected Neotropical genus Dinogeophilus provide further evidence that this genus comprises the smallest species of th...

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Detalles Bibliográficos
Autores principales: Bonato, Lucio, Minelli, Alessandro, Drago, Leandro, Pereira, Luis Alberto
Formato: Articulo
Lenguaje:Inglés
Publicado: 2015
Materias:
Ciencias Naturales
Geophilidae
Miniaturization
Molecular phylogeny
Paedomorphosis
Schendylidae
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/102106
https://ri.conicet.gov.ar/11336/53776
http://www.ctoz.nl/vol84/nr03/a04
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-102106
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Naturales
Geophilidae
Miniaturization
Molecular phylogeny
Paedomorphosis
Schendylidae
spellingShingle Ciencias Naturales
Geophilidae
Miniaturization
Molecular phylogeny
Paedomorphosis
Schendylidae
Bonato, Lucio
Minelli, Alessandro
Drago, Leandro
Pereira, Luis Alberto
The phylogenetic position of <i>Dinogeophilus</i> and a new evolutionary framework for the smallest epimorphic centipedes (Chilopoda: Epimorpha)
topic_facet Ciencias Naturales
Geophilidae
Miniaturization
Molecular phylogeny
Paedomorphosis
Schendylidae
description The centipedes of the clade Epimorpha change slightly during post-embryonic growth but there is huge variation between species in the maximum body size. New specimens of the rarely collected Neotropical genus Dinogeophilus provide further evidence that this genus comprises the smallest species of the Epimorpha, with a recorded maximum length of 5.5 mm. Up to now Dinogeophilus has been invariantly classified in Geophilidae but different sources of evidence (examination by SEM, cladistic evaluation of morphology, similarity and phylogenetic analysis of molecular data) agree on a very different phylogenetic hypothesis: Dinogeophilus is actually a derived lineage of Schendylidae, only distantly related to Geophilidae, and possibly belong to a mainly Neotropical subgroup of schendylids. A comparison of Dinogeophilus with the most closely related taxa suggests that body miniaturization was accompanied by possibly paedomorphic traits, including lower number of some multiple elements (antennal sensilla, processes on the mouth-parts, coxal organs) and shorter setae. Possibly associated with miniaturization are also a few novel features of Dinogeophilus, among which the unique subterminal denticles of the forcipules, suggesting a possible change in the feeding behaviour.
format Articulo
Articulo
author Bonato, Lucio
Minelli, Alessandro
Drago, Leandro
Pereira, Luis Alberto
author_facet Bonato, Lucio
Minelli, Alessandro
Drago, Leandro
Pereira, Luis Alberto
author_sort Bonato, Lucio
title The phylogenetic position of <i>Dinogeophilus</i> and a new evolutionary framework for the smallest epimorphic centipedes (Chilopoda: Epimorpha)
title_short The phylogenetic position of <i>Dinogeophilus</i> and a new evolutionary framework for the smallest epimorphic centipedes (Chilopoda: Epimorpha)
title_full The phylogenetic position of <i>Dinogeophilus</i> and a new evolutionary framework for the smallest epimorphic centipedes (Chilopoda: Epimorpha)
title_fullStr The phylogenetic position of <i>Dinogeophilus</i> and a new evolutionary framework for the smallest epimorphic centipedes (Chilopoda: Epimorpha)
title_full_unstemmed The phylogenetic position of <i>Dinogeophilus</i> and a new evolutionary framework for the smallest epimorphic centipedes (Chilopoda: Epimorpha)
title_sort phylogenetic position of <i>dinogeophilus</i> and a new evolutionary framework for the smallest epimorphic centipedes (chilopoda: epimorpha)
publishDate 2015
url http://sedici.unlp.edu.ar/handle/10915/102106
https://ri.conicet.gov.ar/11336/53776
http://www.ctoz.nl/vol84/nr03/a04
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