more on Styracosaurus

Further to my previous post, I've added on some background to my Styracosaurus sketch.

I drew in lots of generic plantlife. I've previously done some research into the Hell Creek flora as a consultant job for Be the Dinosaur. As it turned out, the Hell Creek flora was dominated by angiosperms (about 90%). A lot of that was lobe-leafed plants, and lots of modern families, including the Arecaceae (palm), Zingiberaceae (ginger family), Nelumbonaceae (family including lotus), Rosaceae (rose family), Fagaceae (beech), Urticaceae (nettle family), and Cannabaceae (the family including hops and canabis!). So I drew some random lobe-leaf plants and somethings that look like roses and marijuana...

Of couse, Styracosaurus ain't from the Hell Creek Formation, but who cares.

Comments

Zachary Miller said…

Ah, context for the animal. It is my biggest weakness. Trees? What are those? Doesn't this totallly stark, white background do it justice?

Nicely done, sir.

17 March, 2009 22:21

Paleo King said…

I've seen this drawing a lot of times but i just had to get a closer look at it. LOL imagine a cannabis-eating Styracosaurus! Wonder if there were actually plants back then that could get a multi-ton dinosaur stoned...

I like the conifers and especially the fallen log in the water. I never thought about that before... dead trees and logs add to the realism but they often get ignored because the dinosaurs are the main subject... I'm gonna have to stick some rivers/lakes and dead logs in my future dino-drawings.

29 May, 2009 00:06

Spinosaurus, the gigantic pangolin of the Cretaceous?

I was made aware of this not long ago - it kind of looks creepy, but it gave me an idea: Did Spinosaurus walk like a pangolin? That is, with it's hands low to the ground but not touching the ground - so no knuckle walking - and maintaining balance as a biped... This pangolin seems to maintain balance on its hind legs even though, on cursory glance, its centre of mass seems too far forward for that. Spinosaurus is supposed to have had a dense femur, so maybe its centre of gravity was farther back than you'd think from overall proportions. Maybe the sail helped tip the scale back? ...or maybe it was a giant ant-eater? Those giant claws look particularly suited to breaking open termite mounds? Who knows. This is me being silly, but thought it was hilarious enough to share...

The difference between Lion and Tiger skulls

A quick divergence from my usual dinosaurs, and I shall talk about big cats today. This is because to my greatest delight, I had discovered today a wonderful book. It is called The Felidæ of Rancho La Brea (Merriam and Stock 1932, Carnegie Institution of Washington publication, no. 422). As the title suggests it goes into details of felids from the Rancho La Brea, in particular Smilodon californicus (probably synonymous with S. fatalis ), but also the American Cave Lion, Panthera atrox . The book is full of detailed descriptions, numerous measurements and beautiful figures. However, what really got me excited was, in their description and comparative anatomy of P. atrox , Merriam and Stock (1932) provide identification criteria for the Lion and Tiger, a translation of the one devised by the French palaeontologist Marcelin Boule in 1906. I have forever been looking for a set of rules for identifying lions and tigers and ultimately had to come up with a set of my own with a lot of help...

Maximum bite force in Tyrannosaurus rex

I'm on a roll today. Might as well post another. So obviously, this is a Tyrannosaurus rex . It's so famous I'm afraid I don't really know what else to write about. Oh well, I'll just ramble on about bite forces then. T. rex has been the focus of many biomechanical studies. Bite force is no exception. However, as much of a celebrity T. rex is, as far as I'm aware, there have only been two studies so far that have attempted to estimate the bite force of T. rex : Erickson et al. (1996) and Meers (2002). Erickson et al. (1996) had an interesting approach of reproducing bite marks using cast replicas of a T. rex tooth and ramming it into a cow bone. They recorded the forces needed in order to penetrate the bone to different depths. The depths of T. rex bite marks found on a Triceratops ilium was compared to this relationship of puncture depth and forces needed. As a result they found out that a bite force of 6.4 kN were needed in order to to make that bite mar...

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