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141 / Paleozoic
Aglaophyton
Aglaophyton major
Leafless axes rose in stands from creeping stems; conducting cells were present, but true vascular tissue was not.
Structured expansion · editorial review pending
- Time range
- About 410 million years ago
- Final stage
- Early Devonian
- Geographic range
- Euramerican hot-spring wetland · Present-day Rhynie, Scotland
01 / ANSWER FIRST
What was Aglaophyton?
This archive records Aglaophyton under the scientific name Aglaophyton major, with an age of About 410 million years ago and a range of Euramerican hot-spring wetland · Present-day Rhynie, Scotland. Leafless axes rose in stands from creeping stems; conducting cells were present, but true vascular tissue was not.
Aglaophyton sporophytes reached about 18 centimeters tall, with leafless forking axes and terminal sporangia. Their conducting cells differed from vascular-plant tracheids, and Rhynie chert also preserves associated fungal structures.
02 / QUICK FACTS
Aglaophyton at a glance
- Scientific name
- Aglaophyton major
- Age
- About 410 million years ago
- Last recorded stage
- Early Devonian
- Known range
- Euramerican hot-spring wetland · Present-day Rhynie, Scotland
- Broad group
- plant
- Archive era
- Paleozoic
- Habitat signals
- Wetland
- Documented regions
- Europe
03 / ANATOMY
How was Aglaophyton built?
Overall body plan
Leafless axes rose in stands from creeping stems; conducting cells were present, but true vascular tissue was not.
Growth architecture
The available record is interpreted through preserved proportions, attachment surfaces, wear and comparison with related organisms. For Aglaophyton, those observations must be separated from features added only for visual reconstruction.
Reproductive structures
Aglaophyton sporophytes reached about 18 centimeters tall, with leafless forking axes and terminal sporangia. Their conducting cells differed from vascular-plant tracheids, and Rhynie chert also preserves associated fungal structures.
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 Aglaophyton.
04 / DIET & BEHAVIOUR
How did Aglaophyton live?
Aglaophyton sporophytes reached about 18 centimeters tall, with leafless forking axes and terminal sporangia. Their conducting cells differed from vascular-plant tracheids, and Rhynie chert also preserves associated fungal structures. 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 Aglaophyton live?
This archive currently lists About 410 million years ago; Euramerican hot-spring wetland · Present-day Rhynie, Scotland. 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
Euramerican hot-spring wetland · Present-day Rhynie, Scotland. This boundary can change when specimens are reidentified or new localities are published.
Time window
About 410 million years ago, with the final recorded stage listed as 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 Wetland. These labels help explore related records; a habitat reconstruction requires evidence from individual localities.
07 / FOSSIL EVIDENCE
What evidence supports reconstructions of Aglaophyton?
Primary record
Rhynie chert preserves stems, sporangia, stomata, conducting cells and fungi in three dimensions, even linking life-cycle stages.
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 Aglaophyton within About 410 million years ago and Euramerican hot-spring wetland · Present-day Rhynie, Scotland. 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.
Evidence limits for this record
The cited reconstruction reaches about 0.18 m. This describes the sporophyte, and should not be confused with the size of a gametophyte or a single preserved fragment.
08 / DISAPPEARANCE & DEBATE
Why did Aglaophyton disappear?
Rhynie chert offers a limited preservation window; the appearance of more complex vascular plants does not directly demonstrate competitive extinction of this species.
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
Aglaophyton FAQ
What was Aglaophyton?
This archive records Aglaophyton under the scientific name Aglaophyton major, with an age of About 410 million years ago. Leafless axes rose in stands from creeping stems; conducting cells were present, but true vascular tissue was not.
When did Aglaophyton live?
The current archive range is About 410 million years ago; its youngest recorded stage is Early Devonian.
Where was Aglaophyton found?
The archive currently lists Euramerican hot-spring wetland · Present-day Rhynie, Scotland. Species-level locality assignments and the full geographic range still require source-specific review.
How do scientists know about Aglaophyton?
Rhynie chert preserves stems, sporangia, stomata, conducting cells and fungi in three dimensions, even linking life-cycle stages.
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