Species: ordinata MARSS, AFANASSIEVA & BLOM, 2014
Etymology:

Holotype:

Locality:Reo-927, depth 9.7 m, Saaremaa Island, Estonia.

Horizon: Tahula Beds

Biostratigraphy:

Age: Kuressaare Stage, Upper Ludfordian, Ludlow Epoch, Late Silurian.

Material:

Refrred material:

MARSS, 2025

Locality: Locality 911, BB 911A-18, Mikhailovsk Pond area south of the dam, Ufa Amphitheatre, Southern Urals, European Russia.

Horizon: Kuba Beds.

Biostratigraphy:

Age: Lower Ludfordian Stage, Ludlow Epoch, Late Silurian.

Material:

Numbers: Not given: Scale.

Tahulaspis sp. aff. ordinata

Number: Not given: A few fragments.

 

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Species: praevia MARSS, AFANASSIEVA & BLOM, 2014
Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

Refrred material:

MARSS, 2025

Locality: Locality 911, BB 911A-18, Mikhailovsk Pond area south of the dam, Ufa Amphitheatre, Southern Urals, European Russia.

Horizon: Kuba Beds.

Biostratigraphy:

Age: Lower Ludfordian Stage, Ludlow Epoch, Late Silurian.

Material:

Numbers: Not given: A few fragments.