OK, I have added those and have marked them as non-natives in the UKSI but I have pending questions out with the NNSS about adding them to the official list of non-natives and to the MBA regarding the MSBIAS list :)
EXISTS Pinctada imbricata (Roding, 1798) was recorded once before in 1988 as Pinctada radiata but is here regarded as the western Atlantic subspecies.
add Atlantic Pearl Oyster
tvk NHMSYS0021128252
Isognomon Lightfoot, 1786
tvk NHMSYS0021128260
Isognomon bicolor (CB Adams, 1845)
tvk NHMSYS0021128266
Bicolor Purse Oyster
tvk NHMSYS0021128272
Pododesmus rudis (Broderip, 1834)
tvk NHMSYS0021128278
Atlantic False Jingle
tvk NHMSYS0021128284
Aequipecten heliacus (Dall, 1925)
tvk NHMSYS0021128290
Euvola Dall, 1898
tvk NHMSYS0021128296
Euvola ziczac (Linnaeus, 1758)
tvk NHMSYS0021128302
Zigzag Scallop
tvk NHMSYS0021128308
Chama cf. congregata Conrad, 1833
tvk NHMSYS0021128314
Little Corrugate Jewelbox
tvk NHMSYS0021128320
:)
Chris Raper, Manager of the UK Species Inventory, Angela Marmont Centre for UK Biodiversity,
Natural History Museum, Cromwell Road, London, SW7 5BD. (tel: 020 7942 5894)
also Tachinid Recording Scheme (http://tachinidae.org.uk/)