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Polyps of the families Atorellidae and Nausithoidae (Scyphozoa: Coronatae) new to the brazilian fauna

Gerhard Jarms André Carrara Morandini Fábio Lang da Silveira About the authors

Abstracts

Solitary scyphistomae of the scyphozoan order Coronatae were sorted from samples collected at 12 oceanographic stations of the Revizee-Score Sul/Bentos project along the Brazilian coast. The 201 specimens were found, at depths between 133-808 m, growing on stony corals. These scyphistomae were assigned to the families Nausithoidae (186) and Atorellidae (15) based on the outer morphology of the periderm tubes. The number and shape of the cusps, and the presence of second order teeth in some of them, suggests that the polyps should be split into four types, two of them assigned to Nausithoe Kölliker, 1853 and two others to Atorella Vanhöffen, 1902. Living stephanoscyphistomae should be collected and reared to further resolve the taxonomy of these scyphozoans.

Coronatae Nausithoe Atorella Brazil


Cifístomas solitários de cifozoários da ordem Coronatae foram triados a partir de amostras coletadas em 12 estações oceanográficas do projeto Revizee-Score Sul/Bentos na costa brasileira. Foram encontrados 201 espécimes, entre as profundidades de 133-808 m, crescendo sobre corais pétreos. Estes cifístomas foram identificados nas famílias Nausithoidae (186) e Atorellidae (15) com base na morfologia externa dos tubos peridérmicos. O número e forma dos espinhos internos, e presença de dentes de segunda ordem em alguns espinhos, sugere que os pólipos sejam separados em quatro tipos, dois deles identificados como Nausithoe Kölliker, 1853 e outros dois como Atorella Vanhöffen, 1902. Estefanocifístomas vivos deveriam ser coletados e cultivados para melhor esclarecer a taxonomia destes cifozoários.

Coronatae Nausithoe Atorella Brasil


ARTICLES

Polyps of the families Atorellidae and Nausithoidae (Scyphozoa: Coronatae) new to the brazilian fauna

Gerhard JarmsI; André Carrara MorandiniII; Fábio Lang da SilveiraIII

IInstitut und Zoologisches Museum, Universität Hamburg, Martin-Luther-King Platz 3, 20146 Hamburg, Germany, e-mail: Gerhard.Jarms@zoologie.uni-hamburg.de, Tel.: +49-40-428382086 Fax: +49-40-428382086

IIDepartamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, C.P. 11461, 05422-970, São Paulo, SP, Brazil, e-mail: acmorand@usp.br, fldsilve@usp.br Tel.:+55-11-30917619 Fax: +55-11-30917513

IIIDepartamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, C.P. 11461, 05422-970, São Paulo, SP, Brazil, e-mail: acmorand@usp.br, fldsilve@usp.br Tel.:+55-11-30917619 Fax: +55-11-30917513 (correspondence author; correspondência para)

ABSTRACT

Solitary scyphistomae of the scyphozoan order Coronatae were sorted from samples collected at 12 oceanographic stations of the Revizee-Score Sul/Bentos project along the Brazilian coast. The 201 specimens were found, at depths between 133-808 m, growing on stony corals. These scyphistomae were assigned to the families Nausithoidae (186) and Atorellidae (15) based on the outer morphology of the periderm tubes. The number and shape of the cusps, and the presence of second order teeth in some of them, suggests that the polyps should be split into four types, two of them assigned to Nausithoe Kölliker, 1853 and two others to Atorella Vanhöffen, 1902. Living stephanoscyphistomae should be collected and reared to further resolve the taxonomy of these scyphozoans.

Keywords: Coronatae Nausithoe Atorella Brazil

RESUMO

Cifístomas solitários de cifozoários da ordem Coronatae foram triados a partir de amostras coletadas em 12 estações oceanográficas do projeto Revizee-Score Sul/Bentos na costa brasileira. Foram encontrados 201 espécimes, entre as profundidades de 133-808 m, crescendo sobre corais pétreos. Estes cifístomas foram identificados nas famílias Nausithoidae (186) e Atorellidae (15) com base na morfologia externa dos tubos peridérmicos. O número e forma dos espinhos internos, e presença de dentes de segunda ordem em alguns espinhos, sugere que os pólipos sejam separados em quatro tipos, dois deles identificados como Nausithoe Kölliker, 1853 e outros dois como Atorella Vanhöffen, 1902. Estefanocifístomas vivos deveriam ser coletados e cultivados para melhor esclarecer a taxonomia destes cifozoários.

Palavras-chave: Coronatae Nausithoe Atorella Brasil

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Acknowledgements

This work was supported by Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP 99/12433-0) and CAPES/USP PROAP/2000. We are indebted to MSc A. Lindner for sorting the scyphistomae periderm tubes, to Dr A.C.Z. do Amaral (UNICAMP) for donating the Revizee material and to Renate Walter (University of Hamburg) for help with the electron microscopy. We thank an anonymous reviewer for improving the English. We thank CEBIMar USP for providing part of the required facilities to examine the material at the start of this work.

Received: march/26/2002

Revised: april/25/2002

Accepted: april/29/2002

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Publication Dates

  • Publication in this collection
    11 June 2013
  • Date of issue
    2002

History

  • Accepted
    29 Apr 2002
  • Reviewed
    25 Apr 2002
  • Received
    26 Mar 2002
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