Scaphopoda (Mollusca) from the Brazilian continental shelf and upper slope (13º to 21ºS) with descriptions of two new species of the genus Cadulus Philippi, 1844

Caetano, Carlos Henrique Soares; Scarabino, Víctor; Absalão, Ricardo Silva

doi:10.11646/zootaxa.1267.1.1

Cited by 16 publications

(25 citation statements)

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“…Discussion: Polyschides noronhensis possesses the shell character arrangement typical of the genus, as the maximum diameter located in the anterior third, and wide posterior aperture bearing four lobes. The new species differs from the other co-generic species from the region (Caetano et al, 2006;Caetano, 2007) mainly by the shape of the shell. P. noronhensis is wider than P. tetraschistus (Watson, 1879), and than P. xavante Caetano & Absalão, 2005, from which it also differs by a straighter shape.…”

Section: Distinctive Descriptionmentioning

confidence: 66%

“…Pair of buccal ganglia very small (each ganglion about 1/100 of odontophore), located in ventral wall connecting odontophore to esophagus; distance between both buccal ganglia equivalent to 1/4 of odontophore width; a pair of anterior nerves and two pairs of posterior nerves. Habitat: Sandy bottoms, from 40 to 1980 m depth; living specimens from 180 to 270 m depth (Steiner & Kabat, 2004;Caetano et al, 2006). Content of buccal tube several foranmifer testa and rarely small mollusks.…”

Section: Pallial Cavitymentioning

confidence: 99%

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Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)

Simone

2009

Pap. Avulsos Zool.

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This study deals with detailed morphology and anatomy of 4 species of Scaphopoda and 5 species of protobranch Bivalvia. Both classes are traditionally grouped in the taxon Diasoma, which has been questioned by different methodologies, such as molecular and developmental. This study is developed under a phylogenetic methodology with the main concern in performing it in an intelligible and testable methodology. The analyzed Scaphopoda species came from the Brazilian coast and belong to the family Dentaliidae [(1) Coccodentalium carduus; (2) Paradentalium disparile] and Gadiliidae; [(3) Polyschides noronhensis, n. sp. from Fernando de Noronha Archipelago; (4) Gadila braziliensis]. These species represent the main branches of the class Scaphopoda. From protobranch bivalves, representatives of the families Solemyidae [(5) Solemya occidentalis, from Florida; S. notialis, n. sp. from S.E. Brazil], Nuculanidae [(6) Propeleda carpentieri from Florida], and Nuculidae [(7) Ennucula puelcha, from south Brazil] are included. These species represent the main branches of the basal Bivalvia. The descriptions on the anatomy of S. occidentalis and of P. carpentieri are published elsewhere. The remaining are included here, for which a complete taxonomical treatment is performed. Beyond these species, representatives of other taxa are operationally included as part of the ingroup (indices are then shared with them), as a procedure to test the morphological monophyly of Diasoma. These taxa are: two lamellibranch bivalves [(8) Barbatia - Arcidae; (9) Serratina - Tellinidae; both published elsewhere;, and Propilidium (10) Patellogastropoda, and (11) Nautilus, basal Cephalopoda, based on basal taxa. The effective outgroups are (12) Neopilina (Monoplacophora) and (13) Hanleya (Polyplacophora). The phylogenetic analysis based on morphology revealed that the taxon Diasoma is supported by 14 synapomorphies, and is separated from Cyrtosoma (Gastropoda + Cephalopoda). Although they are not the main goal of this paper, the taxa Scaphopoda and Bivalvia are supported by 8 and by 7 synapomorphies respectively. The taxon Protobranchia resulted paraphyletic. Both scaphopod orders resulted monophyletic. The obtained cladogram is: ((((Coccodentalium carduus - Paradentalium disparile) (Polyschides noronhensis - Gadila brasiliensis)) ((Solemya occidentalis - S. notialis) (Propeleda carpenteri (Ennucula puelcha (Barbatia cancellaria - Serratina capsoides))))) (Propilidium curumim - Nautilus pompilius - Lolliguncula brevis)).

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Section: Distinctive Descriptionmentioning

confidence: 66%

Section: Pallial Cavitymentioning

confidence: 99%

Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)

Simone

2009

Pap. Avulsos Zool.

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“…11). ALTENA, 1971;SCARABINO, 1994;GRACIA et al, 2005;CAETANO et al, 2006). Figura 10 -Representação gráfica das variáveis morfométricas de Paradentalium gouldii Dall, 1889 do material estudado (n = 30).…”

Section: Paradentalium Gouldii Dall 1889 (Fig 9)unclassified

“…Est. 10 17/11/2000 09º04,7'00" 34º51,2'00" PE 520 A identificação e distribuição geográfica das espécies foram baseadas em Scarabino (1995Scarabino ( e 2008, Redfern (2001), Caetano et al (2006) e , além da base de dados dos Moluscos Marinhos do Atlântico Ocidental -Malacolog 4.1.1 e do Sitema Integrado da Informações Taxônomicas -ITIS, utilizadas para a atualização da nomenclatura.…”

unclassified

Mollusca Scaphopoda Bronn, 1862 da costa nordeste do Brasil

Filho¹,

Tenório²,

Pinto³

et al. 2012

TropOcean

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Os moluscos da Classe Scaphopoda são animais marinhos recentes encontrados em todos os oceanos do mundo, sendo representados no Brasil pela ocorrência da cerca de 39 espécies. São conhecidos popularmente como dentálios, sendo encontrados desde águas rasas a profundidades de acima de 5000 metros. Este trabalho teve como objetivo dar conhecimento sobre a diversidade de Scaphopoda, provenientes de dragagens realizadas na costa Nordeste do Brasil, no período de 1999 a 2004, entre as coordenadas geográficas de 02º01’71”S e 40º52’04”W e 12º01’71”S e 37º26’97”W, compreendendo os estados do Maranhão à Bahia, em profundidades entre 3,9 e 690m. A análise do material foi realizada no Setor de Bentos I do Departamento de Oceanografia da Universidade Federal de Pernambuco. Os exemplares foram identificados levando-se em consideração as características conquiológicas e também foram tomadas medidas morfométricas. Foram identificadas 28 espécies agrupadas em treze gêneros e seis famílias. Das 28 espécies identificadas, Cadulus transitorius Henderson, 1920, é citada pela primeira vez para o Brasil. Antalis pilsbryi (Rehder, 1942), Fissidentalium candidum (Jeffreeys, 1877), Fustiaria stenoschiza (Pilsbry & Sharp, 1897) e Gadila braziliensis (Henderson, 1920) são citadas pela primeira vez para região Nordeste do Brasil. As espécies Dentalium laqueatum Verrill, 1885, Dentalium laqueatum Verrill, 1885, Paradentalium gouldii (Dall, 1889), Paradentalium disparile (Orbigny, 1853), Antalis antillarum (d’Orbigny, 1853), Antalis cerata (Dall, 1881), Antalis circumcincta (Watson, 1879), G. calamus (Dall, 1889), Graptacme eborea (Conrad, 1846), Graptacme perlonga (Dall, 1881), G. semistriolata (Guilding, 1834), Fissidentalium candidum (Jeffreeys, 1877), Fustiaria liodon (Pilsbry & Sharp, 1897), Fustiaria stenoschiza (Pilsbry & Sharp, 1897), Polyschides tetraschistus (Watson, 1879), Gadila braziliensis (Henderson, 1920), Gadila domiguensis (Orbigny, 1853), Gadila longa Silva-Filho, Pinto & Alves, 2010 e Gadila robusta Silva-Filho, Pinto & Alves, 2010 tiveram sua distribuição batimétrica ampliada. As espécies estudadas pertencem as Províncias Caribeana e Brasileira. Palavras-chaves: Batimetria, Biogeografia, Diversidade, Sistemática.

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“…Absalão et al, 2001Absalão & Santos, 2004;Caetano et al, 2006;Zelaya et al, 2006;Pimenta et al, 2008;Oliveira & Absalão, 2008Absalão, 2009), the protobranchs remain very poorly known.…”

Section: Introductionmentioning

confidence: 99%

Deep seaYoldiella(Pelecypoda: Protobranchia: Yoldiidae) from Campos Basin, Rio de Janeiro, Brazil

Benaim

Absalão

2010

J. Mar. Biol. Ass.

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Despite the increasing number of reports on the deep-sea molluscs from the south-western Atlantic, we know very little about the protobranchs. The lack of information on the protobranch Pelecypoda off southern Brazil is reflected in the genus Yoldiella. This contribution is part of an effort to increase the knowledge about this group off the Brazilian coast. Eight species of Yoldiella are recognized here. For Yoldiella biguttata, previously reported from Brazil, the known distribution is extended southwards to the Campos Basin. For Yoldiella similis this is the first record in the western Atlantic Ocean. For Yoldiella extensa and Yoldiella aff. jeffreysi this is the first record for Brazil. Four previously unknown species are described, Yoldiella lapernoi sp. nov., Yoldiella paranapuaensis sp. nov., Yoldiella arariboia sp. nov. and Yoldiella curupira sp. nov. Considering only conchological features for the Atlantic species we could propose some clusters of species of Yoldiella.

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Scaphopoda (Mollusca) from the Brazilian continental shelf and upper slope (13º to 21ºS) with descriptions of two new species of the genus Cadulus Philippi, 1844

Cited by 16 publications

References 0 publications

Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)

Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)

Mollusca Scaphopoda Bronn, 1862 da costa nordeste do Brasil

Deep seaYoldiella(Pelecypoda: Protobranchia: Yoldiidae) from Campos Basin, Rio de Janeiro, Brazil

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