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193 / Mesozoic
Exquisite Saurophthirus
Saurophthirus exquisitus
Broad pads at the tips of long legs could grip a smooth wing membrane, suggesting a possible life on pterosaurs.
Structured expansion · editorial review pending
- Time range
- About 125 million years ago
- Final stage
- Early Cretaceous
- Geographic range
- Lake forest and pterosaur habitat · Yixian Formation, Liaoning, China
01 / ANSWER FIRST
What was Exquisite Saurophthirus?
This archive records Exquisite Saurophthirus under the scientific name Saurophthirus exquisitus, with an age of About 125 million years ago and a range of Lake forest and pterosaur habitat · Yixian Formation, Liaoning, China. Broad pads at the tips of long legs could grip a smooth wing membrane, suggesting a possible life on pterosaurs.
Saurophthirus was a wingless ectoparasite with a more flea-like size and slimmer stylets than Jurassic pseudopulicids. Its expanded foot pads fit a pterosaur association, although other hosts cannot be excluded.
02 / QUICK FACTS
Exquisite Saurophthirus at a glance
- Scientific name
- Saurophthirus exquisitus
- Age
- About 125 million years ago
- Last recorded stage
- Early Cretaceous
- Known range
- Lake forest and pterosaur habitat · Yixian Formation, Liaoning, China
- Broad group
- insect
- Archive era
- Mesozoic
- Habitat signals
- Freshwater · Forest
- Documented regions
- Asia
03 / ANATOMY
How was Exquisite Saurophthirus built?
Overall body plan
Broad pads at the tips of long legs could grip a smooth wing membrane, suggesting a possible life on pterosaurs.
Exoskeleton and segmentation
The available record is interpreted through preserved proportions, attachment surfaces, wear and comparison with related organisms. For Exquisite Saurophthirus, those observations must be separated from features added only for visual reconstruction.
Wings and sensory structures
Saurophthirus was a wingless ectoparasite with a more flea-like size and slimmer stylets than Jurassic pseudopulicids. Its expanded foot pads fit a pterosaur association, although other hosts cannot be excluded.
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 Exquisite Saurophthirus.
04 / DIET & BEHAVIOUR
How did Exquisite Saurophthirus live?
Saurophthirus was a wingless ectoparasite with a more flea-like size and slimmer stylets than Jurassic pseudopulicids. Its expanded foot pads fit a pterosaur association, although other hosts cannot be excluded. 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 vegetation, freshwater margins and atmospheric conditions. 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 Exquisite Saurophthirus live?
This archive currently lists About 125 million years ago; Lake forest and pterosaur habitat · Yixian Formation, Liaoning, China. 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
Lake forest and pterosaur habitat · Yixian Formation, Liaoning, China. This boundary can change when specimens are reidentified or new localities are published.
Time window
About 125 million years ago, with the final recorded stage listed as Early Cretaceous. 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 Freshwater · Forest. These labels help explore related records; a habitat reconstruction requires evidence from individual localities.
07 / FOSSIL EVIDENCE
What evidence supports reconstructions of Exquisite Saurophthirus?
Primary record
Yixian fossils preserve short antennae, thoracic bristles, piercing mouthparts and specialized long legs; morphology supports ectoparasitism, but host linkage remains tentative.
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 Exquisite Saurophthirus within About 125 million years ago and Lake forest and pterosaur habitat · Yixian Formation, Liaoning, China. 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 Exquisite Saurophthirus disappear?
Changing Cretaceous hosts and parasite niches ended saurophthirids, while crown fleas persisted along a different body plan.
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
Exquisite Saurophthirus FAQ
What was Exquisite Saurophthirus?
This archive records Exquisite Saurophthirus under the scientific name Saurophthirus exquisitus, with an age of About 125 million years ago. Broad pads at the tips of long legs could grip a smooth wing membrane, suggesting a possible life on pterosaurs.
When did Exquisite Saurophthirus live?
The current archive range is About 125 million years ago; its youngest recorded stage is Early Cretaceous.
Where was Exquisite Saurophthirus found?
The archive currently lists Lake forest and pterosaur habitat · Yixian Formation, Liaoning, China. Species-level locality assignments and the full geographic range still require source-specific review.
How do scientists know about Exquisite Saurophthirus?
Yixian fossils preserve short antennae, thoracic bristles, piercing mouthparts and specialized long legs; morphology supports ectoparasitism, but host linkage remains tentative.
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