Anisopteris shuteana Hayes et H.L.Pearson

Plant Fossil Names Registry Number: PFN003401

Act LSID: urn:lsid:plantfossilnames.org:act:3401

Authors: P. Hayes & H. L. P. Pearson

Rank: species

Genus:

Reference: Hayes, P. & Pearson, H. L. P. (2024): Anisopteris shuteana sp. nov., a fertile adpression fossil from the Mississippian (lower Carboniferous) of Teilia Quarry, North Wales, UK. – Fossil Imprint 80(1): 125–134.

Page of description: 127

Illustrations or figures: text-figs 1–3

Types

Original diagnosis/description

Rachis covered with longitudinal striations spaced approx. 0.1 mm apart. Primary rachis width approx. 2.5 mm, narrowing slightly to 2 mm after the first dichotomy. Angle of divergence of first dichotomy narrow acute; angle of divergence of subsequent repeated dichotomies wide acute to obtuse. Ultimate rachises up to 0.6 mm wide. Clusters of pedicellate sporangia attached terminally on ultimate rachises. Sporangia narrow ovate in outline, each sporangium roughly symmetrical and approx. 2.1 mm in length and 0.8 mm in width.

Etymology

This species is named in honour of Cedric H. Shute, former Curator of Palaeobotany at the Natural History Museum, London.

Stratigraphy

Carboniferous, Mississippian, Visean
Brigantian, Visean, Middle Mississipian, Teilia Formation, Craven Group

Locality

United Kingdom
Teilia Quarry, Gwaenysgor, Flintshire, North Wales, UK, [SJ 0793 8137]