Species: mutabilis (BROTZEN, 1934) HALSTEAD TARLO, 1964
Etymology:
= Lophosteus mutabilis BROTZEN, 1934

Lectotype: (not given)

Horizon: Rauhen Bergen, near Steglitz, Steglitz-Zehlendorf County, Berlin State, Germany.

Horizon: Beyrichienkalk.

Biostratigraphy: Traquairaspiz zone.

Age: Gedinnian, Lochkovian Stage, Lower Early Devonian Epoch, Early Devonian.

Material: Fragment of tessera.

Referred material:

= Lophaspis crenulata BROTZEN, 1947

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

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Species: tessellata WILLS, 1935
Etymology:

Lectotype: Geological Museum, University of Birmingham, 113

Locality: Earnstrey Hall, Clee Hills, Shropshire County, England.

Horizon: Ditton Group.

Biostratigraphy: Traquairaspis symondsi zone.

Age: Lower Dittonian, Gedinnian, Lochkovian Stage, Lower Early Devonian Epoch, Early Devonian.

Material: Part of tessellated carapace probably dorsal.
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Species: toombsi HALSTEAD TARLO, 1964
Etymology: In honor of Mr. H. A. Toombs, of the British Museum of Natural History, London.

Holotype: BMNH P 29621-P.29625, P. 29683

Locality: Mad Bay, Skokholm Island Pembrokeshire, Wales, Southern United Kingdom.

Biostratigraphy:

Age: Lower Dittonian, Gedinnian, Lochkovian Stage, Lower Early Devonian Epoch, Early Devonian.

Material: Part of tessellated carapace.

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Species: orivgi HALSTEAD TARLO, 1964
Etymology: In honor of Dr. T. Orvig of the Swedish Museum of Natural History, Sweden.

Holotype: Swedish Museum of Natural History, Stockholm, C. 1727

Locality: Jagielnica strata, Podolia, Ukrine.

Horizon: Upper Czortkov beds.

Biostratigraphy: Traquairaspis zone.

Age: Gedinnian, Lochkovian Stage, Lower Early Devonian Epoch, Early Devonian.

Material: Fragment of tessera.

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Species: denisoni HALSTEAD TARLO, 1964
Etymology: In honor of Dr. R. H. Denison of the Chicago Museum of Natural History.

Holotype: Geological Museum, Princeton University, New Jersey, P.U. 17096

Locality: Beaver River, South-east Yukon Province, Canada.

Horizon:

Biostratigraphy:

Age: Ludlovian Epoch, Late Silurian.

Material: Fragment of tessera.

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Species: talimaae HALSTEAD TARLO, 1965
Etymology: In honor of Dr. V. Karatajute-Talimaa of the Geological Institute of Vilnius.
= Traquairaspis sp KARATJUTE-TALIMAA, 1962

Holotype: Geological Institute, No. 5-1199

Locality: Borehole at 540m, Krekenava, Lithuania.

Horizon:

Biostratigraphy: Traquairaspis zone.

Age: Lower Dittonian, Gedinnian, Lochkovian Stage, Lower Early Devonian Epoch, Early Devonian.

Material: Tesserae.