Shell Microstructures of Five Recent Solemyids from Japan (Mollusca: Bivalvia)

Sato, Kei; Nakashima, Rei; Majima, Ryuichi; Watanabe, Hiromi; Sasaki, Takenori

doi:10.2517/1342-8144-17.1.69

Cited by 10 publications

(4 citation statements)

References 24 publications

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“…These microstructures are classified according to criteria such as the orientation and aggregation of crystallites, the size and shape of crystallites or their structural units, the constituent minerals, and the presence or absence of an organic matrix [e.g., Carter et al ., ]. Shell microstructures in Bivalvia have been studied predominantly in relation to taxonomy [ Taylor , ; Kobayashi , ; Uozumi and Suzuki , ; Carter , ; Sato et al ., ], phylogeny [ Taylor et al ., , ; Shimamoto , ; Hikida , ], and crystallography [ Ubukata , ; Checa and Rodríguez‐Navarro , ; Ubukata , ; Checa et al ., , 2013]. These studies have shown that some bivalve species crystallize shells with a single constituent mineral whereas others form a shell composed of both calcite and aragonite (e.g., a calcitic outer prismatic layer and an aragonitic inner nacreous layer in pearl mussels).…”

Section: Introductionmentioning

confidence: 99%

Thermal dependency of shell growth, microstructure, and stable isotopes in laboratory‐reared Scapharca broughtonii (Mollusca: Bivalvia)

Nishida

Suzuki

Isono

et al. 2015

Geochem Geophys Geosyst

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We experimentally examined the growth, microstructure, and chemistry of shells of the bloody clam, Scapharca broughtonii (Mollusca: Bivalvia), reared at five temperatures (13, 17, 21, 25, and 298C) with a constant pCO 2 condition ($450 latm). In this species, the exterior side of the shell is characterized by a composite prismatic structure; on the interior side, it has a crossed lamellar structure on the interior surface. We previously found a negative correlation between temperature and the relative thickness of the composite prismatic structure in field-collected specimens. In the reared specimens, the relationship curve between temperature and the growth increment of the composite prismatic structure was humped shaped, with a maximum at 178C, which was compatible with the results obtained in the field-collected specimens. In contrast, the thickness of the crossed lamellar structure was constant over the temperature range tested. These results suggest that the composite prismatic structure principally accounts for the thermal dependency of shell growth, and this inference was supported by the finding that shell growth rates were significantly correlated with the thickness of the composite prismatic structure. We also found a negative relationship between the rearing temperature and d18 O of the shell margin, in close quantitative agreement with previous reports. The findings presented here will contribute to the improved age determination of fossil and recent clams based on seasonal microstructural records.

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Section: Introductionmentioning

confidence: 99%

Thermal dependency of shell growth, microstructure, and stable isotopes in laboratory‐reared Scapharca broughtonii (Mollusca: Bivalvia)

Nishida

Suzuki

Isono

et al. 2015

Geochem Geophys Geosyst

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“…although we cannot specify the structure of those layers. The knowledge about the microstructure of solemyids has been recently increased using scanning electron microscopy, showing a greater diversity of structures than previously reported (Sato et al, 2013b;Sato and Sasaki, 2015). Nonetheless, the number of layers and microstructure of thickened structures, such as the chondrophore in Solemya and the nymph in Acharax, where the ligament attached, have not been evaluated.…”

Section: Systematic Paleontologymentioning

confidence: 99%

“…The valves are equilateral, anteriorly elongate, subcylindrical, with dorsal and ventral margins usually parallel, and with an edentate hinge that represents an early apomorphic trait (see Bailey, 2011, and references therein). Studies using electron microscopy show a wide variety of shell microstructures, from outer layers characterized by radially elongate simple prismatic structures to reticulate structures not known in any other mollusk, and inner layers with laminar, homogeneous, and irregular complex crossed-lamellar structure (see Sato et al, 2013b). They are covered externally by a coarse and shiny periostracum that frequently extends over the shell margin.…”

Section: Introductionmentioning

confidence: 99%

Solemyidae (Bivalvia, Protobranchia) from the lower Miocene of south-central Chile, with description of a new species

Pérez-Barría

Nielsen

2019

J. Paleontol.

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The Miocene Solemyidae of Chile are revised. The holotype of Solemya antarctica Philippi, 1887, originally described as Solenomya, is lost. Due to the lack of information on internal characters, its systematic position is considered as uncertain. A new species, Solemya lucifuga n. sp., is described from the lower Miocene Ranquil Formation of south-central Chile. Its dense radial external ornamentation shows that it is clearly different from S. antarctica. It is currently the only confirmed and described Miocene solemyid bivalve from the Southern Hemisphere.UUID: http://zoobank.org/a35ee02e-600b-4e9f-ad06-1887e9493ff8

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“…As a result, the taxonomy and systematic status of Solemyidae have remained problematic. Recently, Sato et al (2013) described and depicted the shell microstructures of five solemyid species from Japan by scanning electron microscopy.…”

Section: Introductionmentioning

confidence: 99%

A new chemosymbiotic bivalve species of the genus Acharax Dall, 1908 (Bivalvia, Solemyida, Solemyidae) from the Haima cold seep of the South China Sea

Yang,

Li,

Gan

et al. 2024

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Solemyidae is an ancient group of protobranch bivalves that typically inhabit unusual environments, such as deep-sea chemosynthetic environments, and are symbiotic with chemoautotrophic and gill-hosted bacteria. In May 2018, a living solemyid bivalve was collected using a remotely operated vehicle at a depth of 1,390 m from the Haima cold seep in the northwestern slope of the South China Sea. Through a comprehensive taxonomic approach combining morphological observations and molecular phylogeny reconstruction of concatenated mitochondrial COI,16S rRNA and 18S rRNA gene sequences, a new species, Acharax haimaensissp. nov. is identified and described. The discovery of this new species contributes to the diversity of known solemyids in deep-sea chemosynthetic environments.

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Shell Microstructures of Five Recent Solemyids from Japan (Mollusca: Bivalvia)

Cited by 10 publications

References 24 publications

Thermal dependency of shell growth, microstructure, and stable isotopes in laboratory‐reared Scapharca broughtonii (Mollusca: Bivalvia)

Thermal dependency of shell growth, microstructure, and stable isotopes in laboratory‐reared Scapharca broughtonii (Mollusca: Bivalvia)

Solemyidae (Bivalvia, Protobranchia) from the lower Miocene of south-central Chile, with description of a new species

A new chemosymbiotic bivalve species of the genus Acharax Dall, 1908 (Bivalvia, Solemyida, Solemyidae) from the Haima cold seep of the South China Sea

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