* ''Eucheuma cottonii'' Weber Bosse, see for ''[[Kappaphycus cottonii]]'' (Weber Bosse) Doty ex H.D. Nguyen & Q.N. Huynh in [[Kappaphycus (PROSEA)|separate article on ''Kappaphycus'' Doty]].
* ''[[Eucheuma denticulatum]]'' (Burm.f.) Collins & Herv., see [[Eucheuma denticulatum (PROSEA)|separate article]].
* ''Eucheuma gelatinum'' (Esper) J. Agardh ('gelatinae'), see [[Betaphycus gelatinus (PROSEA)|separate article ]] on ''[[Betaphycus gelatinus]]'' (Esper) Doty ex P.C. Silva, Basson & R.L. Moe.
* ''Eucheuma inerme'' F. Schmitz, see for ''[[Kappaphycus inermis]]'' (F. Schmitz) Doty ex H.D. Nguyen & Q.N. Huynh in [[Kappaphycus (PROSEA)|separate article on ''Kappaphycus'' Doty]].
* ''[[Eucheuma serra]]'' (J. Agardh) J. Agardh, Öfvers. Kongl. Svenska Vetensk.-Akad. Förhandl. 4(1): 16 (1847), synonym: ''Sphaerococcus serra'' J. Agardh (1841).
* ''Eucheuma striatum'' Schmitz, see [[Kappaphycus striatus (PROSEA)|separate article ]] on ''[[Kappaphycus striatus]]'' (F. Schmitz) Doty ex P.C. Silva.
== Vernacular names ==
*Usually the vernacular names apply to all ''Eucheuma'' and ''Kappaphycus'' spp.*Indonesia: agar-agar, agar besar (common names for all ''Eucheuma'' and ''Kappaphycus'' spp.), "spinosa" (common commercial name for all genuine ''Eucheuma'' spp., especially for ''E. denticulatum'' )
*Philippines: ruprupuuk (Ilocano), guso (Visayan), canot-canot (Ilocos Norte).