Species: suarezorum GAGNIER, 1991
Etymology: In honor of Ramior Suarez Sorucco and Mario Suarez Riglos, who have contributed significantly to the recent progress of vertebrate palaeontology in Bolivia.

Holotype: GEOBOL 5011

Locality: Opposite the Tomini river, 8.5 km southeast of Morochata, Ayopaya Province, Cochabamba Department, Bolivia.

Horizon: Capinota Formation.

Biostratigraphy:

Age: Llanvirn Epoch, Lower Dyfed Subperiod, Early Ordovician.

Material: Large fragment of head sheild.
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Species: priontoleips RITICHIE & GILBERT-TOMLINSON, 1977
Etymology:

Holotype: CPC 13202

Locality: Near Alice Sprints, Northwest Territories State, Australia.

Horizon:

Biostratigraphy:

Age: Ordivician.

Material: Partially articulated specimen.