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Lepidurus apus

Lepidurus apus

L. apus has one of the greatest ranges of any of the triops being found throughout continental Europe, Northern Africa, and one of only two notostracans found in Australia. Life cycle is typical of the lepidurans with a significant percentage of laid eggs hatching after a few weeks in the water. One of the more controversal of the species as Longhurst originally lumped L. couesii and L. packardii into the species in spite of distinct characters that argued otherwise. Longhurst mentions a South American subspecies L. apus patagonicus but I have found no reference to this Triops anywhere outside of his paper.

Major species

Lepidurus apus


  • Lepidurus apus apus
  • Lepidurus apus lubbocki
  • Lepidurus apus patagonicus
  • Lepidurus apus viridis


  • Africa (North)
  • Asia
  • Australia (viridis only)
  • Europe
    • Austria
    • Bosnia
    • Croatia
    • Czech Republic
    • Denmark
    • France
    • Germany
    • Herzegovina
    • Hungaria
    • Italy
    • Macedonia
    • Morocco
    • Scandinavia
    • Slovakia
    • Spain
    • Yugoslavia
    • Israel
  • New Zealand
  • South America (?)


Temporary but often longer lasting freshwater pools

Temperature range


Body ring/segments

26 – 29; 4 – 6 apodous


35 – 48

Notable characters

Round or oval dorsal organ, second maxillae present, no supernumerary spines on apodous segments


Bisexual, Hermaphroditic

My Triops (November 8, 2023) Lepidurus apus. Retrieved from
"Lepidurus apus." My Triops - November 8, 2023,
My Triops July 9, 2020 Lepidurus apus., viewed November 8, 2023,<>
My Triops - Lepidurus apus. [Internet]. [Accessed November 8, 2023]. Available from:
"Lepidurus apus." My Triops - Accessed November 8, 2023.
"Lepidurus apus." My Triops [Online]. Available: [Accessed: November 8, 2023]
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