Cosmopolitan no more: Phylogenetics and reproductive mode reveal a global species complex in a marine mollusk (Teredinidae)
Nancy C. Treneman, Kelli L. DeLeon, J. Reuben Shipway, Luísa M. S. Borges, Kenneth A. Hayes, Marcos Rubal, Marcos Rubal, Marcos Rubal, Marcos Rubal
TL;DR
This study reveals that a widely distributed marine clam species is actually a complex of multiple cryptic species with different reproductive strategies.
Contribution
The discovery of seven genetically distinct cryptic species within the Lyrodus pedicellatus complex using phylogenetic and reproductive data.
Findings
Phylogenetic analysis identified seven cryptic species within the Lyrodus pedicellatus complex.
Reproductive mode was found to be an inherited trait within these cryptic species.
A new species, Lyrodus reginae, was described from Hawaiʻi.
Abstract
Quantifying biodiversity is challenging when morphology is conserved in taxa with extensive geographic distributions generated in part by human activities. Shipworms, xylophagous wood-boring clams, have been dispersed throughout the world’s oceans by wooden vessels, aquaculture equipment, and in ballast water. Consequently, many species are considered cosmopolitan, with their geographic origin obscured by their extensive distribution. Several cryptic species pairs possessing different reproductive modes are known in the Teredinidae. However, the genetic, ecological, and geographic relationships within these pairs remain unexplored. Members of the Lyrodus pedicellatus complex, both long- and short-term brooders, are found on coastlines of five continents. Phylogenetic, anatomical, ecological, and geographic data were collected on shipworms extracted from test panels, fixed submerged…
Genes, proteins, chemicals, diseases, species, mutations and cell lines named across the full text — each resolved to its canonical identifier and authoritative record.
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Taxonomy
TopicsMarine Ecology and Invasive Species · Marine Biology and Ecology Research · Planarian Biology and Electrostimulation