Chromolaichma sedna (Marcus & Marcus, 1967) has been split
Hi Everyone,
A recent study, Layton & Wilson 2024, has split Chromolaichma sedna (Marcus & Marcus, 1967):
C. sedna: eastern Pacific
C. hemera: western Atlantic
More over, the authors discover ''extensive phylogeographic structure within C. hemera sp. nov. sensu lato, thereby refuting the hypothesis of a recent introduction'' and found ''significant rate heterogeneity among marine invertebrate genera that share a similar lifespan, reproductive mode and disp...