P. J. Hayward

• Animals on seaweed
• Antarctic cheilostomatous bryozoa
• British ascophoran bryozoans
• Cyclostome bryozoans
• Handbook of the marine fauna of north-west Europe
• The Marine fauna of the British Isles and North-West Europe
• A natural history of the seashore
• Cheilostomatous Bryozoa
• Ctenostome bryozoans
• Northern Adriatic Bryozoa from the vicinity of Rovinj, Croatia