Correct option is D
Explanation
A. Naiadita lanceolata - IV. Bryophyte
The best known fossil is Naiadita lanceolata that has been described. The species of Naiadita show the closest resemblance to the member of Marchantiales and Sphaerocarpales.
B. Rhynia gwynne-vaughanii - II. Pteridophyte
A primitive vascular plant from the Silurian-Devonian period, considered a pteridophyte (non-seed vascular plant).
C. Antarcticycas schopfii - III. Gymnosperm
A fossil cycad, which is a gymnosperm. It is an extinct genus of cycad known from fossil remains found in Antarctica.
D. Tricolpites minutus - I. Angiosperm
→ A fossil pollen grain from early angiosperms. It belongs to cretaceous period from genus Tricolpites which is characterized by having three germinal furrows (colpi) on the pollen grain.
So, correct Matching:
A → IV
B → II
C → III
D → I


