1. Biology and fisheries management of king soldier bream, Argyrops spinifer and spangled emperor, Lethrinus nebulosus in the Arabian Sea, Oman.

   Awdur: Al-Mamry, J. M., Maw 2006

   Goruchwylydd: McCarthy, I. (Goruchwylydd) & Richardson, C. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

2. The ecology, age and growth of two muricacean gastropods from shores of Kuwait

   Awdur: Alsayegh, L., Ion 2015

   Goruchwylydd: Richardson, C. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. The distribution and potential northwards spread of the non-native gastropod Crepidula fornicata in Welsh coastal waters

   Awdur: Bohn, A., Ion 2012

   Goruchwylydd: Richardson, C. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

4. Establishing the Arctica islandica archive: Development of the definitive shell-based proxy for the North Atlantic shelf seas

   Awdur: Butler, P. G., Mai 2009

   Goruchwylydd: Richardson, C. (Goruchwylydd) & Scourse, J. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. Environmental and biological controls of Mg/Ca, Sr/Ca and Mn/Ca ratios in the shells of the bivalves Pinna nobilis, Mytilus edulis and Pecten maximus : implications for palaeo-environmental reconstructions

   Awdur: Freitas, P., Ion 2007

   Goruchwylydd: Richardson, C. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

6. The impact of Asterias rubens on a commercial mussel bed

   Awdur: Gallagher, T., Ion 2008

   Goruchwylydd: Richardson, C. (Goruchwylydd) & Seed, R. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

7. Age, growth and reproductive assessment of the whelk, Buccinum undatum, in coastal shelf seas

   Awdur: Hollyman, P., Ion 2017

   Goruchwylydd: Richardson, C. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

8. The impact of tube-building polychaetes and disturbance on macrofaunal soft-sediment communities

   Awdur: Hughes, C., Chwef 2009

   Goruchwylydd: Richardson, C. (Goruchwylydd) & Seed, R. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. Aspects of the biology of the little cuttlefish, Sepiola atlantica and the common European cuttlefish, Sepia officinalis (Mollusca: Cephalopoda)

   Awdur: Jones, N. J. E., Rhag 2009

   Goruchwylydd: Richardson, P. C. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

10. Vent mussel shells as indicators of environmental conditions at hydrothermal vents

    Awdur: Libertinova, J., Hyd 2009

    Goruchwylydd: Kennedy, H. (Goruchwylydd), Clarke, L. (Goruchwylydd), Richardson, C. (Goruchwylydd) & Dando, P. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

11. The invasion potential of the non-native Chilean oyster (Ostrea chilensis Philippi 1845) in the Menai Strait (North Wales, UK) : present observations and future predictions

    Awdur: Morgan, E., Ion 2012

    Goruchwylydd: Richardson, C. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

12. Establishing multi-bivalve species Sclerochronology

    Awdur: Reynolds, D. J., Meh 2011

    Goruchwylydd: Scourse, J. (Goruchwylydd) & Richardson, C. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

13. Population biology of two species of grey mullet, Liza abu in CentralIraq (Heckel, 1843) and Chelon labrosus (Risso, 1827) in North West Wales

    Awdur: Tulkani, R. H. M., Meh 2017

    Goruchwylydd: McCarthy, I. (Goruchwylydd) & Richardson, C. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

14. Processes controlling spatial and temporal variations in cockle Cerastoderma edule (L.) abundance and distribution

    Awdur: Whitton, T., 1 Rhag 2013

    Goruchwylydd: Richardson, C. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth