Eospermatopteris

noun

Eo·​sper·​ma·​top·​ter·​is

ˌē(ˌ)ōˌspərməˈtäptərə̇s

: a genus of fossil seed ferns of the Devonian Lavive structure and terminal sporangia similar to those of Psilophyton but lacking the leafiness of the Carboniferous and later ferns

Word History

Etymology

New Latin, from eo- + spermat- + -pteris

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