Planocarina Nebela carinata
P. carinata, 196 µm – Haaksbergerveen, the Netherlands; stacked image

 

Genus Planocarina Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara, 2016

Diagnosis: Test elongated-pyriform, with a distinct neck, lateral margins tapering towards the aperture. A flat keel surrounds the entire posterior part of the test. Test hyaline or slightly yellowish, composed of circular to elongated shell plates probably recycled from euglyphid testate amoeba prey.

Differential diagnosis: See diagnosis of Gibbocarina.

Type species: Planocarina carinata (Archer 1867) Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara 2016.

Included taxa: All former Nebela species with a flat keel, such as: N. carinata, N. marginata, N. maxima and N. spumosa, but excluding those with a lateral horn (i.e. the genus Cornutheca).

Planocarina carinata
P. carinata, Vosges, France; stacked image

 
 
 

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