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144 / Paleozoic
Baragwanathia
Baragwanathia longifolia
Branches more than a meter long carried dense narrow microphylls, far more elaborate than most naked-stemmed plants of its age.
Structured expansion · editorial review pending
- Time range
- About 415–400 million years ago
- Final stage
- Late Silurian to Early Devonian
- Geographic range
- Eastern Gondwanan coast · Present-day Victoria, Australia
01 / ANSWER FIRST
What was Baragwanathia?
This archive records Baragwanathia under the scientific name Baragwanathia longifolia, with an age of About 415–400 million years ago and a range of Eastern Gondwanan coast · Present-day Victoria, Australia. Branches more than a meter long carried dense narrow microphylls, far more elaborate than most naked-stemmed plants of its age.
Baragwanathia was an early lycophyte with conducting tissue, rooting structures and crowded microphylls. Its axes probably trailed or leaned across low coastal vegetation, with sporangia near leaf bases.
02 / QUICK FACTS
Baragwanathia at a glance
- Scientific name
- Baragwanathia longifolia
- Age
- About 415–400 million years ago
- Last recorded stage
- Late Silurian to Early Devonian
- Known range
- Eastern Gondwanan coast · Present-day Victoria, Australia
- Broad group
- plant
- Archive era
- Paleozoic
- Habitat signals
- Ocean
- Documented regions
- Oceania
03 / ANATOMY
How was Baragwanathia built?
Overall body plan
Branches more than a meter long carried dense narrow microphylls, far more elaborate than most naked-stemmed plants of its age.
Growth architecture
The available record is interpreted through preserved proportions, attachment surfaces, wear and comparison with related organisms. For Baragwanathia, those observations must be separated from features added only for visual reconstruction.
Reproductive structures
Baragwanathia was an early lycophyte with conducting tissue, rooting structures and crowded microphylls. Its axes probably trailed or leaned across low coastal vegetation, with sporangia near leaf bases.
Growth and individual variation
A single specimen does not define the whole species. Size, maturity, preservation and possible sex differences are considered before anatomical traits are treated as typical of Baragwanathia.
04 / DIET & BEHAVIOUR
How did Baragwanathia live?
Baragwanathia was an early lycophyte with conducting tissue, rooting structures and crowded microphylls. Its axes probably trailed or leaned across low coastal vegetation, with sporangia near leaf bases. This ecological reconstruction is strongest where anatomy, associated organisms and the depositional setting point in the same direction.
05 / DIET & BEHAVIOUR
What shaped its ecological limits?
Its populations depended on plant communities, soils, water availability and climate. Changes in any one factor did not necessarily cause immediate extinction, but interacting pressures could reduce range, recruitment and resilience.
06 / RANGE & HABITAT
Where and when did Baragwanathia live?
This archive currently lists About 415–400 million years ago; Eastern Gondwanan coast · Present-day Victoria, Australia. Fossil or historical occurrence data describe where evidence has been found, not every place the taxon once occupied. Species-level age and range limits still require source-specific review.
Documented geographic range
Eastern Gondwanan coast · Present-day Victoria, Australia. This boundary can change when specimens are reidentified or new localities are published.
Time window
About 415–400 million years ago, with the final recorded stage listed as Late Silurian to Early Devonian. Rock units and dating uncertainty mean the true biological range may extend beyond the known record.
Environmental setting
The archive uses the broad habitat labels Ocean. These labels help explore related records; a habitat reconstruction requires evidence from individual localities.
07 / FOSSIL EVIDENCE
What evidence supports reconstructions of Baragwanathia?
Primary record
Victorian fossils preserve axes, microphylls, sporangia and microscopic anatomy, while associated graptolites constrain their age.
Comparative anatomy
Preserved structures are compared with close and functionally similar organisms. The method can constrain posture and function, but analogy alone cannot prove colour, behaviour or soft tissue.
Age and locality
Stratigraphy and occurrence records place Baragwanathia within About 415–400 million years ago and Eastern Gondwanan coast · Present-day Victoria, Australia. Reworked fossils and uncertain provenance are treated cautiously.
Open entity records
Links below connect the archive to available taxonomic and occurrence records. A matching name does not verify every ecological claim, and related-taxon links provide comparison rather than an exact species match.
08 / DISAPPEARANCE & DEBATE
Why did Baragwanathia disappear?
Rapid diversification of lycophytes and other vascular plants reorganized Early Devonian shore habitats.
The last fossil or observation marks the youngest evidence currently known, not necessarily the death of the final individual. Explanations are strongest when timing, environmental change and population biology agree; otherwise the profile preserves uncertainty instead of assigning a single dramatic cause.
09 / FREQUENTLY ASKED QUESTIONS
Baragwanathia FAQ
What was Baragwanathia?
This archive records Baragwanathia under the scientific name Baragwanathia longifolia, with an age of About 415–400 million years ago. Branches more than a meter long carried dense narrow microphylls, far more elaborate than most naked-stemmed plants of its age.
When did Baragwanathia live?
The current archive range is About 415–400 million years ago; its youngest recorded stage is Late Silurian to Early Devonian.
Where was Baragwanathia found?
The archive currently lists Eastern Gondwanan coast · Present-day Victoria, Australia. Species-level locality assignments and the full geographic range still require source-specific review.
How do scientists know about Baragwanathia?
Victorian fossils preserve axes, microphylls, sporangia and microscopic anatomy, while associated graptolites constrain their age.
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?
- Completed an AI-assisted bilingual audit of the archive record, corrected identified issues and clarified evidence limits; independent editorial review is pending.
- Expanded into a structured bilingual profile with anatomy, ecology, range, evidence, debate and FAQs; independent editorial review is pending.
- Verified authoritative entity sources and added three responsive reconstruction sizes.
- Initial bilingual species record published.
06 / CORRECTIONS & ADDITIONS