Bougainvillia nigritella Forbes, 1848 accepted as Bougainvillia muscoides (Sars, 1846) (original description)
Circe rosea Forbes, 1848 accepted as Aglantha digitale (O. F. Müller, 1776) (original description)
Cosmetira Forbes, 1848 (original description)
Cosmetira pilosella Forbes, 1848 (original description)
Euphysa Forbes, 1848 (original description)
Euphysa aurata Forbes, 1848 (original description)
Geryonia appendiculata Forbes, 1848 accepted as Liriope tetraphylla (Chamisso & Eysenhardt, 1821) (original description)
Geryonopsis Forbes, 1848 accepted as Eirene Eschscholtz, 1829 (original description)
Geryonopsis delicatula Forbes, 1848 accepted as Eirene viridula (Péron & Lesueur, 1810) (original description)
Lizzia blondina Forbes, 1848 (original description)
Modeeria Forbes, 1848 (original description)
Modeeria formosa Forbes, 1848 accepted as Modeeria rotunda (Quoy & Gaimard, 1827) (original description)
Oceania episcopalis Forbes, 1848 accepted as Neoturris pileata (Forsskål, 1775) (original description)
Oceania episcopalis Forbes, 1848 accepted as Neoturris pileata (Forsskål, 1775) (basis of record)
Oceania globulosa Forbes, 1848 (original description)
Oceania turrita Forbes, 1848: accepted as Leuckartiara octona (Fleming, 1823) (original description)
Polyxenia alderi Forbes, 1848 accepted as Cunissa alderi (Forbes, 1848) (original description)
Sarsia gemmifera Forbes, 1848 accepted as Stauridiosarsia gemmifera (Forbes, 1848) (original description)
Sarsia prolifera Forbes, 1848 accepted as Codonium proliferum (Forbes, 1848) (original description)
Sarsia pulchella Forbes, 1848 (original description)
Sarsiadae Forbes, 1848 accepted as Corynidae Johnston, 1836 (original description)
Steenstrupia faveola Forbes, 1848 accepted as Corymorpha nutans M. Sars, 1835 (original description)
Steenstrupia rubra Forbes, 1848 accepted as Corymorpha nutans M. Sars, 1835 (original description)
Thaumantias (Cosmetira) Forbes, 1848 accepted as Cosmetira Forbes, 1848 (original description)
Thaumantias (Cosmetira) pilosella Forbes, 1848 accepted as Cosmetira pilosella Forbes, 1848 (original description)
Thaumantias aeronautica Forbes, 1848 accepted as Phialella quadrata (Forbes, 1848) (original description)
Thaumantias convexa Forbes, 1848 (original description)
Thaumantias globosa Forbes, 1848 accepted as Phialella quadrata (Forbes, 1848) (original description)
Thaumantias inconspicua Forbes, 1848 accepted as Clytia hemisphaerica (Linnaeus, 1767) (original description)
Thaumantias lineata Forbes, 1848 accepted as Clytia hemisphaerica (Linnaeus, 1767) (original description)
Thaumantias lucida Forbes, 1848 accepted as Obelia lucifera (Forbes, 1848) (basis of record)
Thaumantias lucifera Forbes, 1848 accepted as Obelia lucifera (Forbes, 1848) (original description)
Thaumantias maculata Forbes, 1848 accepted as Phialella quadrata (Forbes, 1848) (original description)
Thaumantias melanops Forbes, 1848 accepted as Tiaropsis multicirrata (M. Sars, 1835) (original description)
Thaumantias octona Forbes, 1848 (original description)
Thaumantias pileata Forbes, 1841 accepted as Clytia hemisphaerica (Linnaeus, 1767) (basis of record)
Thaumantias punctata Forbes, 1848 accepted as Clytia hemisphaerica (Linnaeus, 1767) (basis of record)
Thaumantias quadrata Forbes, 1848 accepted as Phialella quadrata (Forbes, 1848) (original description)
Thaumantias sarnica Forbes, 1848 accepted as Clytia hemisphaerica (Linnaeus, 1767) (original description)

British Isles for Thaumantias lucifera Forbes, 1848 
Hebrides for Modeeria formosa Forbes, 1848 
Oban for Thaumantias convexa Forbes, 1848 
Shetland Islands for Oceania episcopalis Forbes, 1848 
Shetland Islands for Oceania turrita Forbes, 1848: 

 Type locality

 for Aeginodorus alderi (Forbes, 1848)

Coast of Devon, England [details]