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Leverhulmia
Temporal range: Early Devonian, 410–405 Ma
↓
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Clade: Mandibulata
Genus: †Leverhulmia
Anderson and Trewin, 2003
Species:
†L. mariae
Binomial name
†Leverhulmia mariae
Anderson and Trewin, 2003

Leverhulmia is an extinct genus of arthropod, known from a single partial specimen with preserved gut contents, found in the Windyfield (Rhynie) chert.[1][2]

Description

Leverhulmia is an arthropod roughly 1.2 cm (0.47 in) long, with at least five pairs of uniramous limbs, split into six podomeres, and an unknown number of segments. As the head is not preserved, it could not be firmly classified into or excluded from any group within Myriapoda, although a position within Diplopoda, or as a relative of Kampecaris, was hypothesised. Therefore, it was classed as Myriapoda incertae sedis.[1] A later paper suggests it was a hexapod, specifically a relative of Zygentoma or Archaeognatha instead, after the discovery of thoracic leg segments which suggest the type specimen is part of the abdomen.[3] Unlike Rhyniognatha and Strudiella, its interpretation as insect is not questioned yet, but it is not easy to interpret.[2]

Etymology

Leverhulmia is named after the Leverhulme Trust, for “the generosity of the Leverhulme Trust which supported this phase of exploration of the Rhynie and Windyfield cherts”. Its specific name, mariae is “in honour of Mary Duncan of Windyfield Farm, on whose land the Windyfield cherts occur”.[1]

Ecology

From the preserved gut contents containing fungal and plant spores, as well as plant tissue, Leverhulmia seems to have been a detritivore, and thus would be the earliest confirmed example of such.[1]

References

  1. ^ a b c d Anderson, Lyall I.; Trewin, Nigel H. (May 2003). "An Early Devonian arthropod fauna from the Windyfield Cherts, Aberdeenshire, Scotland". Palaeontology. 46 (3): 467–509. doi:10.1111/1475-4983.00308.
  2. ^ a b Haug, Carolin; Haug, Joachim T. (2017-05-30). "The presumed oldest flying insect: more likely a myriapod?". PeerJ. 5: e3402. doi:10.7717/peerj.3402. ISSN 2167-8359. PMC 5452959.
  3. ^ Fayers, Stephen R.; Trewin, Nigel H. (15 September 2005). "A hexapod from the Early Devonian Windyfield Chert, Rhynie, Scotland". Palaeontology. 48 (5): 1117–1130. doi:10.1111/j.1475-4983.2005.00501.x.
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