Cerro Paternal

East wall of Cañon del Cobre

East wall of Cañon del Cobre

One way to look at
quarry clumsiness

Sphenacodon sketch painted with pigment from the Sphenacodon Quarry

Watercolor sketch of Cerro Paternal

Larry & Kurt at the Sphenacodon Quarry

Sphenacodont studies

Sketch of Neuropteris seed fern

Landscape doodles and sinister Sphenacodon

Neuropteris studies

Paleozoic Moon

More Neuropteris

Drought-tolerant neuropterid seed fern, based on a frond from Carrizo Arroyo

Pecopterid tree ferns

More Pecopterids

Sketch of a big Calamites horsetail

Calamites study

Little captorhinid by a Calamites trunk

Amphibian doodle

Uplands & lowlands study

Uplands & lowlands study

Eryops, fat & happy

Sphenacodon pattern study

Eryops

The large varanopseid Ruthiromia elcobriensis

The finbacked amphibian Platyhystrix rugosus

The giant millipede Arthropleura clambering over a couple of Calamites “logs”

A completely hypothetical Arthropleura head

Arthropleura by moonlight

Drinking Sphenacodon

Sphenacodon sketches

Prowling Sphenacodon

Dimetrodon puts its foot down.

Bustin' up Sphenacodonts

Sphenacodon painted with mud from the Sphenacodon quarry

The pelycosaur Ruthiromia chases down the finbacked temnospondyl Platyhystrix amidst a stand of horsetails and neuropterids.

The little captorhinid Rhiodenticulatus darts out in front of the trunk of the giant horsetail Calamites.

The toothy temnospondyl Eryops lunges after a young xenacanth shark

Clash of the Titans: a scorpion faces off against a small temnospondyl

Arthropleura by moonlight

Diadectes, the earliest herbivore

Diadectes detail