Continuing work on molecular systematics of the bivalvia has raised a number of taxonomic questions, as well as highlighting taxa that would be very interesting to sequence.  Much of my library is boxed up in the hopes that I will soon find employment and therefore move.
As a reminder, if you would like to collect material for DNA studies, probably the easiest method of preserving the DNA is to put the live animal directly into concentrated ethanol.  Make sure that it cannot close the shell so tightly as to keep the ethanol out.  It may help to cut open the muscle in order to prevent closing and facilitate rapid penetration of the ethanol.

Of particular interest for molecular work:
Anomalodesmata
Thyasiridae
Ungulinidae
Protobranchia
Crassatelloidea
Carditoidea
Unusual Mytiloidea (not Mytilus, but most others)
Mesodesmatidae
Spengleria
Petricolidae
Sphaeriidae
Dimyidae
Most small taxa (<2 cm or so)

Taxonomic questions: Molecular biologists are generally not good systematists (just look at the GenBank gastropod classification).  Thus, names cited in the literature are often problematic.  Of course, searching for taxonomic data like this highlights errors in the molluscan reference literature. too, and there are also the subjective decisions on what constitutes a genus versus subgenus, etc.  Here are the outstanding questions:
Original genus for Clithon spinosus Sowerby, 1825

Original genus for Loligo bleekeri Keferstein 1866

Correct spelling and original genus for Albinaria coerulea or caerulea Rossmassler 1835

Original genus for Dentalium pilsbry Redher 1942

Original genus for Congeria kusceri Bole, 1962

Spelling for Flexopecten glaber/glabra (Linnaeus, 1758)

Author and date for Idas arcuatilis.  This may be Adipicola arcuatilis Dell, 1995, but the publication cited both A. arcuatilis and I. arcuatilis.  Idas has recently been recognized as not preoccupied; there has also been disagreement about the synonymy or distinction of the two genera.

Myrina pacifica author and date.  Myrina (Mytilidae) is a junior homonym.  Dall, Bartsch, and Rehder, 1938 described a pacifica as type of a new genus similar to Myrina.  Dall 1916 described Dacrydium pacificum, but Dacrydium seems less similar.

Inversidens japanensis/japonensis (Lea, 1859)

Cyanocylas: any reason not to use this genus rather than Neocorbicula?

Dreissena bugensis var. profunda author of variety

Corbicula africana author, date

Corbicula australis Deshayes, 1830 original genus

Meretrix lamarckii author-I have found Deshayes and Gray, 1853 both cited.  Which one wanted to insult Lamarck (meretrix is not complementary)?

Cucullaea labiata Solander or Lightfoot, 1786?

Spondylus squamosus author, date

Thanks for your help!

    Dr. David Campbell
    "Old Seashells"
    46860 Hilton Dr #1113
    Lexington Park MD 20653 USA
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"That is Uncle Joe, taken in the masonic regalia of a Grand Exalted Periwinkle of the Mystic Order of Whelks"-P.G. Wodehouse, Romance at Droigate Spa