GB3D Type Fossils

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Fossil specimen : SM A 40323 – Paralectotype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order -

Fossil Name Madygenia brachypyga (Marr & Nicholson), 1888
Type Status Paralectotype
Name History

Madygenia brachypyga (Marr & Nicholson), 1888 – See Owens, R.M. (2004): Paralectotype

Proetus brachypygus Marr & Nicholson – See Woods, H. (1891)

Proetus brachypygus Marr & Nicholson – See Marr & Nicholson (1888a): Syntype

Registration No. A 40323
Collector Name not available
Donor or Associated Person Marr, J.E.
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Country England
Locality Skelgill, Ambleside, Westmorland, England
Grid Reference Not available
Rock Unit Upper Skelgill Bed
Biozone A. aloniensis (Ac2)
Geological Age

Llandovery Epoch (Silurian Period) (433.4 – 443.8 Ma B.P.)


Marr & Nicholson 1888 a. Quarterly Journal of the Geological Society of London vol. xliv pp.673, 725, 729 pl. xvi fig.18 (in explanation of pl.1 fig.19 on pl. xvi)

Owens, R.M. 2004. Late Ordovician and Early Silurian Proetida (Trilobita) from North-Western and Central Europe. Palaeontology, 47, 557-578, 2 pls. p.571; text-fig. 1D

Woods, H. 1891. Catalogue of the Type Fossils in the Woodwardian Museum, Cambridge. Henry Woods with preface by T. McKenny Hughes CUP. 180+xiv SPL: II. 16 p.151

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