Caenoplana Explained

Caenoplana is a genus of land planarians from Australia and New Zealand.

Description

The genus Caenoplana is characterized by having an elongate, cylindrical to sub-cylindrical body. The eyes are arranged along the body margins, crowded irregularly at the sides of the anterior end and extending in a single row to the posterior end. The copulatory apparatus lacks a permanent penis, i. e., the penis is formed during copulation by folds in the male cavity. The female cavity is irregular and narrow and the ovovitelline ducts join each other behind it, entering it ventrally.^[1]

Species

The following species are recognised in the genus Caenoplana:

• Caenoplana albolineata
• Caenoplana barringtonensis
• Caenoplana citrina
• Caenoplana coerulea – Blue garden flatworm
• Caenoplana daemeli
• Caenoplana decolorata Mateos, Jones, Riutort, & Álvarez-Presas, 2020^[2]
• Caenoplana dubia
• Caenoplana graffi
• Caenoplana hillii
• Caenoplana hoggii – Hogg's flatworm
• Caenoplana micholitzi
• Caenoplana munda
• Caenoplana ponderosa
• Caenoplana purpurea
• Caenoplana sieboldi
• Caenoplana spenceri – Spencer's flatworm
• Caenoplana steenstrupi
• Caenoplana steinboecki
• Caenoplana sulphurea
• Caenoplana tenuis
• Caenoplana variegata ^[3] – Two-toned planarian
• Caenoplana viridis

Notes and References

1. A provisional classification of Australian terrestrial geoplanid flatworms (Tricladida: Terricola: Geoplanidae). Victorian Naturalist. 108. 2. 42–49. 1991. Winsor . L. . BHL
2. Mateos. Eduardo. Jones. Hugh D.. Riutort. Marta. Álvarez-Presas. Marta. A new species of alien terrestrial planarian in Spain: Caenoplana decolorata. PeerJ. 8. 2020. e10013. 2167-8359. 10.7717/peerj.10013. free. 2445/194158. free.
3. Jones . Hugh D. . Mateos . Eduardo . Riutort . Marta . Álvarez-Presas . Marta . The identity of the invasive yellow-striped terrestrial planarian found recently in Europe: Caenoplana variegata (Fletcher & Hamilton, 1888) or Caenoplana bicolor (Graff, 1899)? . Zootaxa . 5 February 2020 . 4731 . 2 . 193–222 . 1175-5326 . 1175-5334 . 10.11646/zootaxa.4731.2.2 . 32229814 .