Page:The Habitat of the Eurypterida.djvu/94

 E. laticeps

Pterygotus osiliensis

Eusarcus simonsoni

Ceratiocarid—Ceratiocaris

Fishes (Celphalaspid)

Thyestes verrucosus

Tremataspis schrenldi

Crustacea (Hemiaspidæ)

Bunodes lunula

B. rugosa

B. schrenkii

Synxiophosuran: Pseudoniscus aculeatus

Ostracod: Leperditia sp.

Cephalopod: Orthoceras tenue

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While this fauna is sparingly represented in a number of beds in this group, all of the species occur together at only one horizon, namely, in the Olive shales below the Temeside Bone-Bed. Unless otherwise indicated, forms are abundant.

Eurypterids.

Eurypterus acuminatus (r)

E. pygmaeus

E. spp.

Pterygotus banksii

P. gigas

P. ludensis

P. problematicus

Parka decipiens (eggs)

Crustacea.

Beyrichia kloedeni

Leperditia phaseolus var. gracilenta (r)

L. small species

Physocaris vesica

Plantae.

Pachytheca sphaerica (cc)

Pisces.

Auchenaspis salteri (r)

Cephalaspis murchisoni (r)

Ctenacanthus (r)

Onchus murchisoni

O. teniustriatus

Brachiopods.

Lingula cornea (cc)

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Localities in Lesmahagow inlier.

(1) Along the banks of Logan water in Ceratiocaris beds

Eurypterid: Slimonia acuminata