Species: sericea (LANKESTER, 1873) KIAER, 1930
Etymology:
= Holaspis sericeus LANKESTER, 1873

Holotype: BMMH P4117

Locality: Near Abergavenny, South Wales, Southern United Kingdom..

Horiozn: “Grey Cornstone”.

Biostratigraphy:

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

Material:

Referred mateiral:

ELLIOTT, LOEFFLER & LIU, 1998

Locality: North coast of Prescott Island, North West Territories Province, Canada.

Horizon: Sandstone-carbonate facies of the Upper member of the Peel Sound Formation.

Biostratigraphy:

Age: Lochkovian to early or middle Pragian Stage, Early Devonian Epoch, Early Devonian.

Material:

NMC 31404-34141, 40637-3061: Dorsal shields.

TURNER, 1982

Locality: Wayne Herbert Quarry, south-west Hereford and Worcester, Worcestershire County, England, Southern United Kingdom.

Horizon: Ditton Series.

Biostratigraphy: About 66 m above the Psammosteus limestone, Pteraspis crouchi Zone.

Age: Dittonian, Lower Pragian Stage, Early Devonian.

Material:

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Species: sturi (ALTH, 1874) KIAER & HEINTZ, 1935
Etymology:
= Cyathaspis sturi ALTH, 1874

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Mateiral:
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Species: polaris KIAER, 1930
Etymology:

Holotype: PMO D 665

Locality: Locality no. 4, Red Bay, Fraenkelryggen, Spitsbergen, Svalbard Island, Norway.

Horizon: Primaeva horizon, Fraenkelryggen Group, Red Bay Series.

Biostratigraphy:

Age: Early Devonian.

Material: Dorsal shield.

Referred material:

BLIECK & HEINTZ, 1972

PMO D 28b, 36, 38 001, 002, 101, 113, 115, 198, 204 a, b, 206, 241 a, b, c, 1161:

 

DINELEY & FOEFFLER, 1976

Locality: GSC 69014, 62°33’N, 127°45’W, south-west limb of the Grizzly Bear anticline, Northwest Territories Province, Canada.

Horizon: 260m above the top of the Whittaker Formation, in transitional facies between the Delorme and Road River Formations.

Biostratigraphy:

Age: Early Dittonian, Lower Pragian Stage, Early Devonian.

Material:

NMC 13211, 13218-13200, 19523, 19657: Dorsal shields.

NMC 19860: Dorsal and ventral shields, branchial and ?oral plate in place.

Note: Brackish water lagoon.

 

Locality: GSC 69017, 63°25’N, 128°00’W, west of Natla River, Northwest Territories Province, Canada.

Horizon: 38m above the base of the Delorme Formation.

Biostratigraphy:

Age: Late Silurian or Early Devonian.

Material:

NMC 19741, 19744, , 19747, 19750, 19752, 19759: Dorsal shield.

NMC 19757: Ventral shield.

Note: Brackish water lagoon.

 

Locality: GSC 81052, exact co-ordinates unknown, 60 m from the summit of the north flak of a ridge, immediately south of GSC 69017, Northwest Territories Province, Canada.

Horizon: Delorme Formation.

Biostratigraphy:

Age: Dittonian, Lower Pragian Stage, Early Devonian.

Material:

NMC 19749, 19751, 19753, 19755, 19758, 19761, 21848: Dorsal shield.

Note: Mud flats by sudden floods.

 

Locality: GSC 81053, exact co-ordinates unknown, 60 m from the summit of the south flak of a ridge, immediately south of GSC 69017, Northwest Territories Province, Canada.

Horizon: Delorme Formation.

Biostratigraphy:

Age: Dittonian, Lower Pragian Stage, Early Devonian.

Material:

NMC 19742-19743, 19745, 19748, 19754, 19760: Dorsal shield.

NMC 19756: Ventral shield.

Note: Mud flats by sudden floods.

Locality: GSC 81057, unknown, Northwest Territories Province, Canada. Note: This locality appears to be wrongly numbered; according to the Geological Survey of Canada, the number refers to a Cambrian Formation in British Columbia.

Horizon:?

Biostratigraphy:

Age:

Material:

NMC 19746: Dorsal shield.

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Species: brevis KIAER, 1932
Etymology:

Holotype: PMO D 304

Locality: Locality no. 4, Red Bay, Fraenkelryggen, Spitsbergen, Svalbard Island, Norway.

Horizon: Primaeva horizon, Fraenkelryggen Group, Red Bay Series.

Biostratigraphy:

Age: Early Devonian.

Material: Dorsal shield.

Referred material:

BLIECK & HEINTZ, 1972

PMO D 304, 1259, 368, 87, 299:

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Species: cylindrica KIAER & HEINTZ, 1935
Etymology:

Holotype: Oslo Paleontological Museum, PMOD 205

Locality: Ben Nevis, Red Bay, Spitsbergen, Svalbard Island, Norway.

Horizon: Ben Nevis Group.

Biostratigraphy: Benneviaspis Horizon.

Age: Early Devonian.

Material: Dorsal shield.

Referred material:

FMNH PF 1144: Cast of type.

BLEICK & HEINTZ, 1972

PMO D 140:

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Species: magna KIAER, 1932
Etymology:

Holotype: Oslo Paleontological Museum, PMOD 203

Locality: Ben Nevis, Red Bay, Spitsbergen, Svalbard Island, Norway.

Horizon: BenNevis Group, Horizon A.

Biostratigraphy:

Age: Early Devonian.

Material: Dorsal shield.

Referred material:

FMNH PF 1142: Cast of type.

BLEICK & HEINTZ, 1972

PMO D 138, 139, 200, 203, 278:

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Species: rostrata KIAER & HEINTZ, 1935 (ex KIAER, 1932)
Etymology:

Holtoype: PMO D 124

Locality: Locality no. 9A, westernmost part of the cliff at the northwestern boundary of the western plateau, close to Raudfjordbreen, Ben Nevis, Red Bay, Spitsbergen, Svalbard Island, Norway.

Horizon: Red Bay Series, Ben Nevis Formation, Red Bay Group.

Biostratigraphy: Horizon A of HOEL'S section.

Age: Lower Dittonian, Lower Pragian Stage, Early Devonian.

Material: Dorsal shield.

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Species: pompeckji (BROTZEN, 1933) KIAER & HEINTZ, 1935
Etymology:
= Palaeaspis pompeckji BROTZEN, 1933

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:
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Species: simplex (BROTZEN, 1933) KIAER & HEINTZ, 1935
Etymology:
= Palaeaspis simplex BROTZEN, 1933

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

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Species: teres (NOVITSKAYA, 1970)
Etymology:
= Palaeaspis teres NOVITSKAYA, 1970

Holotype:

Locality: River Tareya, Centrla Taimyr, NW Siberia, Asian Russia.

Horizon: Uryum Formation, Ust-Tareyski Horizon.

Biostratigraphy:

Age: Lochkovian-Pragian Stage, Early Devonian Epoch, Early Devonian.

Material:
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Species: heintzae ELLIOTT, LOEFFLER & LIU, 1998
Etymology: In honor of Dr. Natascha Heintz of the Paleontology Museum, Oslo.

Holotype: NC 40624

Locality: North coast of Prescott Island, North West Territories Province, Canada.

Horizon: Peel Sound Formation.

Biostratigraphy:

Age: Late Silurian.

Material: Dorsal shield.

Referred material:

NMC 40620-40623, 40625-40631: Dorsal shields.

NMC 40632, 40633: Ventral shields.

NMC 40634: Branchial plate.

NMC 40635: Flank scale.

NMC 40636: Ridge scale.

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Species: cracens ELLIOTT, LOEFFLER & LIU, 1998
Etymology: Latin, Cracens, “slender, graceful”.
= Porasapis cf. P. polaris BROAD, 1973

Holotype: NMC 40648

Locality: North coast of Prescott Island, North West Territories Province, Canada.

Horizon: Lower member of the Peel Sound Formation.

Biostratigraphy:

Age: Late Silurian.

Material: Dorsal shield.

Referred material:

NMC 40649-40652: Dorsal sheilds.

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Species: thules ELLIOTT, LOEFFLER & LIU, 1988
Etymology: Latin, thule, “north”.
= Poraspis cf. P. polaris BROAD & DINELEY, 1973

Holotype: 40653

Locality: North coast of Prescott Island, North West Territories Province, Canada.

Horizon: Lower member of the Peel Sound Formation.

Biostratigraphy:

Age: Late Silurian.

Material: Doral shield.

Referred material:

NMC 40654-40657: Dorsal shields.

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Species: parmula ELLIOTT, LO”EFFLER & LIU, 1988
Etymology: Latin, parmula, dimiutive of parma, a small shield.
= Poraspis cf. P. intermedia BORAD & DINELEY, 1973

Holotype: NMC 40642

Locality: North coast of Prescott Island, North West Territories Province, Canada.

Horizon: Lower member of the Peel Sound Formation.

Biostratigraphy:

Age: Late Silurian.

Material: Dorsal shield.

Referred material:

NMC 40643: Dorsal shield.

NMc 40644-40647: Ventral shields.

BLIECK & HEINTZ, 1972

PMO D 1308, 293:

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Species: thomasi ELLIOTT & PETRIELLO, 2011
Etymology: In honor of Dr. Richard Thomas who found the first and most complete specimen of this species.

Holotype: FHNH-PF14473

Locality: Locality 1, Death Valley, Mojave Desert, Inyo County, California.

Horizon: Basal part of the Lippincott Member, Lost Burro Formation.

Biostratigraphy:

Age: Emsian Stage, Upper Early Devonian Epoch, Early Devonian.

Material: Dorsal shield.

Referred material:

FMNH-PF14474, 14475: 2 articulated specimens.

FMNH-PF14476-14481: 6 dorsal shields.

FMNH-PF14482-14488: 7 ventral shields.

FMNH-PF14489-14491: 3 scales.