thalassiophyte

== English == === Alternative forms === thalassophyte === Etymology === From translingual Thalassiophyta. Surface reading: thalasso- (“sea”) +‎ -phyte (“plant”). === Noun === thalassiophyte (plural thalassiophytes) (biology, obsolete) any plant belonging to one of the obsolete taxonomic groups known as Thalassiophyta, which were believed to comprise various parts of the marine algae or seaweeds, depending on the classification system.