Erect bifoliate species of Microporella (Bryozoa, Cheilostomata), fossil and modern

Microporella Hincks, 1877 is one of the most diverse genera of cheilostome bryozoans, containing more than 150 named species. Distributed globally since the early Miocene, the majority of species of Microporella have sheet-like colonies encrusting hard and / or ephemeral substrates, while a limited...

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Main Authors: Emanuela Di Martino, Paul D. Taylor, Dennis P. Gordon
Format: Article
Language:English
Published: Consortium of European Natural History Museums 2020-07-01
Series:European Journal of Taxonomy
Subjects:
Online Access:https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1011
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author Emanuela Di Martino
Paul D. Taylor
Dennis P. Gordon
author_facet Emanuela Di Martino
Paul D. Taylor
Dennis P. Gordon
author_sort Emanuela Di Martino
collection DOAJ
description Microporella Hincks, 1877 is one of the most diverse genera of cheilostome bryozoans, containing more than 150 named species. Distributed globally since the early Miocene, the majority of species of Microporella have sheet-like colonies encrusting hard and / or ephemeral substrates, while a limited number of species have erect bifoliate colonies starting from an encrusting base. Herein, the four nominal species of erect bifoliate Microporella (M. bifoliata, M. hastigera, M. hyadesi and M. ordo) are revised, and one new Pliocene (M. tanyae sp. nov.) and three new Recent species (M. ordoides sp. nov., M. lingulata sp. nov. and M. modesta sp. nov.) are formally described. Furthermore, the lectotype and paralectotypes were designated for M. bifoliata and M. hastigera. An additional Recent species, Microporella sp. 1, is also described and illustrated but left in open nomenclature owing to the absence of ovicells in the single available fragment. Although the molecular phylogeny of Microporella has yet to be resolved, the diversity of character states present among the erect bifoliate species described here suggests that this colony growth-form is not monophyletic but has evolved on multiple occasions.
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spelling doaj.art-e097c60cb5ea4f9abb6b8593334aaf0e2022-12-21T22:42:52ZengConsortium of European Natural History MuseumsEuropean Journal of Taxonomy2118-97732020-07-0167810.5852/ejt.2020.6781011Erect bifoliate species of Microporella (Bryozoa, Cheilostomata), fossil and modernEmanuela Di Martino0Paul D. Taylor1Dennis P. Gordon2Natural History Museum, University of OsloDepartments of Earth and Life Sciences, Natural History Museum, LondonNational Institute of Water & Atmospheric Research, WellingtonMicroporella Hincks, 1877 is one of the most diverse genera of cheilostome bryozoans, containing more than 150 named species. Distributed globally since the early Miocene, the majority of species of Microporella have sheet-like colonies encrusting hard and / or ephemeral substrates, while a limited number of species have erect bifoliate colonies starting from an encrusting base. Herein, the four nominal species of erect bifoliate Microporella (M. bifoliata, M. hastigera, M. hyadesi and M. ordo) are revised, and one new Pliocene (M. tanyae sp. nov.) and three new Recent species (M. ordoides sp. nov., M. lingulata sp. nov. and M. modesta sp. nov.) are formally described. Furthermore, the lectotype and paralectotypes were designated for M. bifoliata and M. hastigera. An additional Recent species, Microporella sp. 1, is also described and illustrated but left in open nomenclature owing to the absence of ovicells in the single available fragment. Although the molecular phylogeny of Microporella has yet to be resolved, the diversity of character states present among the erect bifoliate species described here suggests that this colony growth-form is not monophyletic but has evolved on multiple occasions.https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1011taxonomynew speciescolony growth-formRecentNeogene
spellingShingle Emanuela Di Martino
Paul D. Taylor
Dennis P. Gordon
Erect bifoliate species of Microporella (Bryozoa, Cheilostomata), fossil and modern
European Journal of Taxonomy
taxonomy
new species
colony growth-form
Recent
Neogene
title Erect bifoliate species of Microporella (Bryozoa, Cheilostomata), fossil and modern
title_full Erect bifoliate species of Microporella (Bryozoa, Cheilostomata), fossil and modern
title_fullStr Erect bifoliate species of Microporella (Bryozoa, Cheilostomata), fossil and modern
title_full_unstemmed Erect bifoliate species of Microporella (Bryozoa, Cheilostomata), fossil and modern
title_short Erect bifoliate species of Microporella (Bryozoa, Cheilostomata), fossil and modern
title_sort erect bifoliate species of microporella bryozoa cheilostomata fossil and modern
topic taxonomy
new species
colony growth-form
Recent
Neogene
url https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1011
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AT pauldtaylor erectbifoliatespeciesofmicroporellabryozoacheilostomatafossilandmodern
AT dennispgordon erectbifoliatespeciesofmicroporellabryozoacheilostomatafossilandmodern