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421 / Mesozoic
Dicroidium
Dicroidium odontopteroides
Paired forked fronds became an emblem of Triassic southern vegetation.
- Time range
- About 247–201 million years ago
- Final stage
- End of the Triassic
- Geographic range
- Temperate Gondwanan woodland · Southern Hemisphere
01 / DEFINITION & ECOLOGY
What was Dicroidium?
Dicroidium (Dicroidium odontopteroides) was an extinct organism known from About 247–201 million years ago, with a range in Temperate Gondwanan woodland · Southern Hemisphere.
Life and ecology
This seed fern grew as a shrub or tree in strongly seasonal temperate woodland.
02 / DISAPPEARANCE
Why did Dicroidium disappear?
End-Triassic volcanism and climate disruption collapsed its dominant communities.
03 / EVIDENCE
How do scientists know about Dicroidium?
Associated foliage, wood, pollen and reproductive organs support the reconstruction.
04 / SOURCES & FURTHER READING
Check the source record
Use the scientific name to compare taxonomy, occurrence records and the fossil record. Database coverage and classifications may differ.
05 / REVISION HISTORY
How has this record changed?
- Verified authoritative entity sources and added three responsive reconstruction sizes.
- Initial bilingual species record published.
06 / CORRECTIONS & ADDITIONS