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Table 4 Eubrachythoracid posterior superognathals used in this paper

From: A large Middle Devonian eubrachythoracid ‘placoderm’ (Arthrodira) jaw from northern Gondwana

 

Specimen number

PSG length (mm)

Age

Locality

References

Coccosteus cuspidatus

KC6

13

Eifelian–Givetian

Scotland

Miles and Westoll (1968)

Compagopiscis croucheri

BMNH P50946

9

Frasnian

Australia

Gardiner and Miles (1994)

Eastmanosteus calliaspis

BMNH P50888

17

Frasnian

Australia

Dennis-Bryan (1987)

Harrytoombsia elegans

WAM704254

12

Frasnian

Australia

Miles and Dennis (1979)

Mcnamaraspis kaprios

WAM869676

12.5

Frasnian

Australia

Long (1995)

Plourdosteus canadensis

SMNH P5043

23.5

Frasnian

Poland

Ørvig (1980)

Torosteus pulchellus

BMNH P52553

10

Givetian–Frasnian

Australia

Gardiner and Miles (1990)

Leptodontichthys ziregensis

PIMUZ A/I 5022

108

Eiafelian

Morocco

This paper