Kalmar "Genus Thyrsopteris" tana nufin rarrabuwa taxonomic a ilmin halitta don ƙungiyar ferns waɗanda ke cikin dangin Thyrsopteridaceae. Halin halittar Thyrsopteris ya ƙunshi kusan nau'ikan 35 na ferns waɗanda galibi ana samun su a yankuna masu zafi da na wurare masu zafi. Waɗannan ferns ana siffanta su da ɓangarorin su, waɗanda galibi manya ne, masu rarrabu, kuma suna da kamannin fuka-fuki. Sunan jinsin "Thyrsopteris" ya samo asali ne daga kalmomin Helenanci "thyrsos," ma'anar sanda ko sanda, da "pteris," ma'ana fern, wanda ke nufin tsayin daka na fronds.