Ricciellites unsaltoensis Savoretti, Bodnar, Coturel et M.Beltrán

Plant Fossil Names Registry Number: PFN002922

Act LSID: urn:lsid:plantfossilnames.org:act:2922

Authors: A. Savoretti, J. Bodnar, E. P. Coturel & M. Beltrán

Rank: species

Genus: Ricciellites Savoretti, Bodnar, Coturel et M.Beltrán

Reference: Savoretti, A., Bodnar, J., Coturel, E. P. & Beltrán, M. (2022): Fossil Bryophytes from the Middle Triassic Sorocayense Group, San Juan Province, Central-Western Argentina. – Ameghiniana 59(3): 179–200.

Page of description: 185

Illustrations or figures: figs 4-6

Name is type for

Types

Original diagnosis/description

Thallus branched dichotomously up to three times. Branches ranging 2.5–3.5 mm wide and 6–7 mm long. Undulate margins. Rounded apices. Prominent midrib. Cells of thallus wings elongated to isodiametric, pentagonal, and hexagonal, forming rows oriented obliquely to the
midrib. Upper surface of thallus bearing air pores surrounded by one concentric ring of 2–6 polygonal cells. Lower thallus surface with two rows of small scales, one on each side of the midrib. Sporophytes scattered or in ill-defined rows.

Etymology

The specific epithet refers to Un Salto creek, along which the specimens have been recovered.

Stratigraphy

Triassic, Middle Triassic, Ladinian
EF 4, Don Raúl Member, Cortaderita Formation (Ladinian), Sorocayense Group.

Locality

Argentina
31° 39’ 16” S; 69° 24’ 58.5” W, Un Salto creek, Barreal area, Barreal-Calingasta depocenter, San Juan Province.