Zorotypus absonus

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Zorotypus absonus
Temporal range: Burdigalian
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Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Zoraptera
Family: Zorotypidae
Genus: Zorotypus
Species:
†Z. absonus
Binomial name
†Zorotypus absonus
Engel, 2008 [1]
Synonyms

Zorotypus confirmans Scheven  [ species; wikidata ], 1990 ( nomen nudum et invalidum ) [2]

Contents

Zorotypus absonus is an extinct species of insect in the order Zoraptera that lived during the Burdigalian age of the Miocene epoch. It was described from a fossil of an alate male found in Dominican amber; the specimen is deposited in Joachim Scheven's private collection at his "Lebendige Vorwelt" museum in Hagen, Germany. [1] [2]

History of research

The species was first discussed by Joachim Scheven in a paper published in the proceedings for the second International Conference on Creationism, which took place in the summer of 1990. [2] Scheven named the species "Zorotypus confirmans" and provided figures for the species, but no characters were provided to differentiate it from others; Scheven claimed that "Z. confirmans" was indistinguishable from living species of Zorotypus . In 2008, Michael S. Engel validated the species using Scheven's figures, giving a diagnosis differentiating the species from other species of Zoraptera described from Dominican amber, and named the species Zorotypus absonus. According to Engel, the name "Zorotypus confirmans" cannot be considered available or valid under the International Code of Zoological Nomenclature, because Scheven did not provide characters to differentiate the taxon (therefore he had not provided a species description) and that the name was published in conference proceedings. [1]

Etymology

The specific name absonus is derived from the Latin word absonus, meaning "different", [3] referring to the distinct difference between Z. absonus and both living and fossil species of Zoraptera. The epithet in Scheven's name for the species, confirmans, was derived from the Latin word confirmo, meaning "to make firm, establish, strengthen, confirm", [4] in reference to Scheven's belief that the fossil provided confirmation that "all living things make their first appearance in the geological record as separate and finished organisms". [1]

Description and diagnosis

The fossil specimen is a winged male with a body length almost exactly 2 mm long. [2] The species is similar to other members of the genus Zorotypus, but can be distinguished from other fossil species described from Dominican amber by the following combination of characters: in the antennae, the first flagellomere is slightly longer than the pedicel; the pronotum is broad and quadrate (about as wide as the head), and lacks crescentic ridges anteriorly; the forewing has a short radius vein, terminating just beyond the wing's midlength; in the hind wing, the stem of the media is present near the wing's base; in the legs, the femur of the hind leg has six ventral spines arranged in a continuous series, with the second spine from the base being the longest; the cerci are monomerous. [1]

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References

  1. 1 2 3 4 5 Engel, M. S. (2008). "A new apterous Zorotypus in Miocene amber from the Dominican Republic (Zoraptera: Zorotypidae)" (PDF). Acta Entomologica Slovenica. 16: 127–136. Archived (PDF) from the original on 27 December 2014. Retrieved 27 December 2014.
  2. 1 2 3 4 Scheven, Joachim (30 July – 4 August 1990). Stasis in the Fossil Record as Confirmation of a Belief in Biblical Creation. Second International Conference on Creationism. Vol. 1, General Sessions. pp. 197–216. Retrieved 2 January 2024.
  3. ↑ Lewis, Charlton T.; Short, Charles (1879). "absonus". A Latin Dictionary. Perseus Digital Library.
  4. ↑ Lewis, Charlton T.; Short, Charles (1879). "confirmo". A Latin Dictionary. Perseus Digital Library.
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