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The shell structure and mineralogy of the Bivalvia
THE DERMAL CHROMATOPHORE UNIT
Pale coloration ranging from tan to green is provided by the overlying xanthophores and iridophores, and the nature of the intimate contact between the chromatophore types is discussed.
Food specialization and the evolution of predatory prosobranch gastropods
The mechanical properties of bivalve (Mollusca) shell structures
Cultivar‐specific avirulence and virulence functions assigned to avrPphF in Pseudomonas syringae pv. phaseolicola, the cause of bean halo‐blight disease
The multiple functions of avrPphF illustrate how effector proteins from plant pathogens have evolved to be recognized by R gene products and, therefore, be classified as encoded by avirulence genes.
A phylogenetic backbone for Bivalvia: an RNA-seq approach
- Vanessa L. González, S. Andrade, G. Giribet
- Biology, Environmental ScienceProceedings of the Royal Society B: Biological…
- 22 February 2015
This first phylogenomic approach for this important group of molluscs is presented, including novel transcriptomic data for 31 bivalves obtained through an RNA-seq approach, and the results provide a well-resolved, robust phylogenetic backbone for Bivalvia with all major lineages delineated.
A molecular phylogeny of heterodont bivalves (Mollusca: Bivalvia: Heterodonta): new analyses of 18S and 28S rRNA genes
A new molecular phylogeny is presented for the highly diverse, bivalve molluscan subclass Heterodonta, indicating that the basal clades of Crassatelloidea, Anomalodesmata and Lucinoidea diverged very early in the Lower Palaeozoic.
Investigating the Bivalve Tree of Life – an exemplar-based approach combining molecular and novel morphological characters
- R. Bieler, P. Mikkelsen, G. Giribet
- Biology, Environmental ScienceInvertebrate Systematics
- 20 March 2014
An analysis of the informativeness of morphological characters showed that sperm ultrastructure characters are among the best morphological features to diagnose bivalve clades, followed by characters of the shell, including its microstructure.
Functional anatomy, chemosymbiosis and evolution of the Lucinidae
The shell features of Ilionia from the Silurian Period suggests that the lucinid chemosymbiosis is an ancient association, and the morphological diversity of living lucinids is highlighted, highlighting features of their anatomy including ctenidia, pallial apertures, anterior adductor mucsle, pallIAL blood vessel and mantle gills.
Geomorphology of Aldabra Atoll
1. Regional setting Aldabra Atoll (latitude 9° 24' S, longitude 46° 20' E) is situated 420 km northwest of Madagascar and 640 km from the East African mainland, in the southwest Indian Ocean (figure…