Archaeopetalanthus Naugolnykh

Plant Fossil Names Registry Number: PFN002600

Act LSID: urn:lsid:plantfossilnames.org:act:2600

Author: S. V. Naugolnykh

Rank: genus

Reference: Naugolnykh, S. V. (2020): Archaeopetalanthus progressus gen. et sp. nov. - a new representative of the vojnovskyopsid gymnosperms from the Carboniferous of Siberia (Russia). – Wulfenia. Mitteilungen des Kärntner Botanikzentrums Klagenfurt 27: 97–113., link

Page of description: 100

Previously published illustration or figures: 1-9 in Naugolnykh, S. V. (2020): Archaeopetalanthus progressus gen. et sp. nov. - a new representative of the vojnovskyopsid gymnosperms from the Carboniferous of Siberia (Russia). – Wulfenia. Mitteilungen des Kärntner Botanikzentrums Klagenfurt 27: 97–113.

Type

Original diagnosis/description

Bisexual reproductive organs consist of an axis of obconic shape, with narrow base and widening upper part. Central part/central area of upper (abaxial) surface of the axis bears numerous microsporangia producing anasulcate pollen. Peripheral margins of abaxial surface bear radially orientated long and narrow appendages. Most of appendages sterile. Some of appendages have terminal winged seeds. Small glands between microsporangia and basal parts of appendages.

Etymology

Archaeo – old (Latinized Greek); petalus (Latin) – petal; anthus (Latinized Greek) – flower, blossom.