Molecular taxonomy reveals broad trans-oceanic distributions and high species diversity of deep-sea clams (Bivalvia: Vesicomyidae: Pliocardiinae) in chemosynthetic environments

Audzijonytė, Asta; Krylova, Elena M.; Sahling, Heiko; Vrijenhoek, Robert C.

doi:10.1080/14772000.2012.744112

Cited by 42 publications

(53 citation statements)

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“…It is unsurprising, therefore, that molecular systematic studies of extant species have revealed a number of cryptic species complexes and do not support monophyly of many groups currently treated as genera (Audzijonyte, Krylova, Sahling, & Vrijenhoek, 2012;Decker, Olu, Cunha, & Arnaud-Haond, 2012;Goffredi, Hurtado, Hallam, & Vrijenhoek, 2003;Peek et al, 1997Peek et al, , 2000Vald es et al, 2012;Vrijenhoek, Schutz, Gustafson, & Lutz, 1994). Though molecular traits have generally not been incorporated, recent taxonomic descriptions that included soft anatomical characters have greatly improved the diagnoses of species and genera (Cosel & Olu, 2009;Cosel & Salas, 2001;Krylova & Cosel, 2011;Krylova & Sahling, 2006;Krylova, Sahling, & Janssen, 2010).…”

Section: Introductionmentioning

confidence: 99%

Phylogeny and origins of chemosynthetic vesicomyid clams

Johnson

Krylova

Audzijonytė

et al. 2016

Systematics and Biodiversity

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Large vesicomyid clams (Veneroida: Vesicomyidae: Pliocardiinae) are prominent members of the communities associated with sulphide-rich deep-sea habitats. Taxonomic uncertainties within the Pliocardiinae result from both plasticity in shell morphologies and the common occurrence of cryptic species. Molecular taxonomic studies have now clarified many species-level assignments and provided DNA-barcodes for more than 50 species worldwide. Nonetheless, genus-level assignments remain uncertain, because the existing COI barcode sequences are not sufficient for identifying higher-level groupings. To construct a robust phylogeny for this subfamily, we conducted a combined Bayesian analysis of the COI mitochondrial fragment and five additional independent nuclear gene segments. The phylogenetic results provide a better foundation for assessing genus-level assignments within the subfamily and reveal goals for future taxonomic research. Furthermore, morphological examinations helped to clarify and solidify generic classifications. Calibration of molecular clocks with recently verified fossil data permitted realistic estimates for the origins and evolutionary age of pliocardiins during the Cenozoic Era from a deep-dwelling ancestor.http://zoobank.org/urn:lsid:zoobank

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Section: Introductionmentioning

confidence: 99%

Phylogeny and origins of chemosynthetic vesicomyid clams

Johnson

Krylova

Audzijonytė

et al. 2016

Systematics and Biodiversity

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“…Because the species described below are morphologically most similar to several members of this clade-Archivesica soyoae (Okutani, 1957) A. kilmeri (Bernard, 1974), A. okutanii (Kojima and Ohta, 1997), and A. kawamurai (Kuroda, 1943)-we assign them to Archivesica. Other authors (Krylova and Janssen, 2006;Krylova and Sahling, 2010) have separated these species into the genera Archivesica, Phreagena, and Akebiconcha, but they have not consistently emerged as monophyletic groups in molecular phylogenetic studies (Audzijonyte et al, 2012;Valdés et al, 2013). The first claim of the occurrence of large deep-water vesicomyids in the Mediterranean Miocene was based on the discovery in 1992 (Taviani et al, 1992;Taviani, 1996) of a bed containing 'Calyptogena' (= Archivesica) associated with turbidites in the Romagna Apennines (for details see Berti et al, 1994;Taviani, 2014).…”

Section: Genus Lucinoma Dall 1901mentioning

confidence: 99%

“…Molecular phylogenetic studies indicate two separate groups among species with the general shape of Pliocardia: one includes the species Vesicomya stearnsii, Calyptogena ponderosa, C. cordata, and 'Pliocardia' krylovata, the other includes Vesicomya kuroshimana, V. crenulomarginata, and specimens called "cf. venusta" (Kojima et al, 2004;Martin and Goffredi, 2011;Audzijonyte et al, 2012). Several additional extant species for which no molecular data are available are also included in this genus (Krylova and Sahling, 2010), as well as several fossil taxa Kiel, 2007, 2012).…”

Section: Genus Pliocardia Woodring 1925mentioning

confidence: 99%

“…While the concept of Amano and Kiel (2007), which includes middle Eocene to Recent species is probably too broad (cf., Amano and Kiel, 2012), the view of Krylova and Sahling (2010) to include only two extant species in addition to the type, may be a little too narrow. In a recent molecular phylogenetic analysis (Audzijonyte et al, 2012), a monophyletic clade called the 'gigas group' emerged and included 14 named and five unnamed species, including the type species of Archivesica. Because the species described below are morphologically most similar to several members of this clade-Archivesica soyoae (Okutani, 1957) A. kilmeri (Bernard, 1974), A. okutanii (Kojima and Ohta, 1997), and A. kawamurai (Kuroda, 1943)-we assign them to Archivesica.…”

Section: Genus Lucinoma Dall 1901mentioning

confidence: 99%

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Chemosymbiotic bivalves from Miocene methane-seep carbonates in Italy

Kiel¹,

Taviani

2017

J. Paleontol.

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Abstract.-Eleven species of chemosymbiotic bivalves are reported from middle to late Miocene methane seep deposits ('Calcari a Lucina') in the Italian Apennines, including seven new species and one new genus. The new species are Bathymodiolus (s.l.) moroniae and B. (s.l.) miomediterraneus among the Bathymodiolinae and Archivesica aharoni, A. apenninica, A. strigarum, and 'Pliocardia' italica among the Vesicomyidae; specimens from the middle Miocene of Deruta are reported as Archivesica aff. aharoni. Samiolus iohannesbaptistae new genus new species is introduced for an unusual mytilid with a commarginally ribbed surface, which might be the first non-bathymodiolin mytilid obligate to the seep environment. The two large lucinid species from which these deposits derived their informal name 'Calcari a Lucina' are identified as Meganodontia hoernea (Des Moulins, 1868) and Lucinoma perusina (Sacco, 1901). With Chanellaxinus sp., we report the first thyasirid from a Neogene deep-water seep deposit in Italy and the first fossil occurrence of this genus.

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“…2). Species within genus "Pliocardia" were recently ascribed to undetermined genus (Audzijonyte et al, 2012). Symbiont (Sym.)…”

Section: Introductionmentioning

confidence: 99%

An overview of chemosynthetic symbioses in bivalves from the North Atlantic and Mediterranean Sea

et al. 2013

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Deep-sea bivalves found at hydrothermal vents, cold seeps and organic falls are sustained by chemosynthetic bacteria that ensure part or all of their carbon nutrition. These symbioses are of prime importance for the functioning of the ecosystems. Similar symbioses occur in other bivalve species living in shallow and coastal reduced habitats worldwide. In recent years, several deep-sea species have been investigated from continental margins around Europe, West Africa, eastern Americas, the Gulf of Mexico, and from hydrothermal vents on the Mid-Atlantic Ridge. In parallel, numerous, more easily accessible shallow marine species have been studied. Herein we provide a summary of the current knowledge available on chemosymbiotic bivalves in the area ranging west-to-east from the Gulf of Mexico to the Sea of Marmara, and north-to-south from the Arctic to the Gulf of Guinea. Characteristics of symbioses in 53 species from the area are summarized for each of the five bivalve families documented to harbor chemosynthetic symbionts (Mytilidae, Vesicomyidae, Solemyidae, Thyasiridae and Lucinidae). Comparisons are made between the families, with special emphasis on ecology, life cycle, and connectivity. Chemosynthetic symbioses are a major adaptation to ecosystems and habitats exposed to reducing conditions. However, relatively little is known regarding their diversity and functioning, apart from a few "model species" on which effort has focused over the last 30 yr. In the context of increasing concern about biodiversity and ecosystems, and increasing anthropogenic pressure on oceans, we advocate a better assessment of the diversity of bivalve symbioses in order to evaluate the capacities of these remarkable ecological and evolutionary units to withstand environmental change

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Molecular taxonomy reveals broad trans-oceanic distributions and high species diversity of deep-sea clams (Bivalvia: Vesicomyidae: Pliocardiinae) in chemosynthetic environments

Cited by 42 publications

References 41 publications

Phylogeny and origins of chemosynthetic vesicomyid clams

Phylogeny and origins of chemosynthetic vesicomyid clams

Chemosymbiotic bivalves from Miocene methane-seep carbonates in Italy

An overview of chemosynthetic symbioses in bivalves from the North Atlantic and Mediterranean Sea

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