Petrolacosaurus

genus of reptiles that developed two holes (temporal fenestra) in each side of their skulls, about 300 million years ago
Taxon fossil_taxon Q132525
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Petrolacosaurus

Summary

Petrolacosaurus is a fossil taxon[1]. Petrolacosaurus ranks in the top 4% of fossil_taxon entities by monthly Wikipedia readership (64 views/month).[2]

Key Facts

  • Petrolacosaurus's image is recorded as Petrolacosaurus BW.jpg[3].
  • Petrolacosaurus's instance of is recorded as fossil taxon[4].
  • Petrolacosaurus's taxon rank is recorded as genus[5].
  • Petrolacosaurus's parent taxon is recorded as Petrolacosauridae[6].
  • Petrolacosaurus's taxon name is recorded as Petrolacosaurus[7].
  • Petrolacosaurus's Commons category is recorded as Petrolacosaurus[8].
  • Petrolacosaurus's Freebase ID is recorded as /m/0byk28[9].
  • Petrolacosaurus's Fossilworks taxon ID is recorded as 37771[10].
  • Petrolacosaurus's GBIF taxon ID is recorded as 4819274[11].
  • Petrolacosaurus's time period is recorded as Pennsylvanian[12].
  • Petrolacosaurus's IRMNG ID is recorded as 1098602[13].
  • Petrolacosaurus's Microsoft Academic ID is recorded as 2775967755[14].
  • Petrolacosaurus's Open Tree of Life ID is recorded as 4130034[15].
  • Petrolacosaurus's Yale LUX ID is recorded as concept/494c1feb-5ad5-4013-b681-b2537ee3be4d[16].

Why It Matters

Petrolacosaurus ranks in the top 4% of fossil_taxon entities by monthly Wikipedia readership (64 views/month).[2] Petrolacosaurus has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[17] Petrolacosaurus is known by 5 alternative names across languages and contexts.[18]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . Freebase Data Dumps. wikidata.org.
  8. [10] . Fossilworks. Retrieved . wikidata.org.
  9. [11] . Global Biodiversity Information Facility. Retrieved . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Interim Register of Marine and Nonmarine Genera. Retrieved . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Open Tree of Life reference taxonomy version 3.6. Retrieved . wikidata.org.
  14. [16] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [17] . Wikidata sitelinks. wikidata.org.
  3. [18] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Petrolacosaurus. Retrieved May 3, 2026, from https://4ort.xyz/entity/petrolacosaurus
MLA “Petrolacosaurus.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/petrolacosaurus.
BibTeX @misc{4ortxyz_petrolacosaurus_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Petrolacosaurus}}, year = {2026}, url = {https://4ort.xyz/entity/petrolacosaurus}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Petrolacosaurus — https://4ort.xyz/entity/petrolacosaurus (retrieved 2026-05-03)

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