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The Very Very Latest Paper From 2006!!!
Well, it's from September.
P. Martin Sander & Peter Andrássy: Lines of arrested growth and long bone
histology in Pleistocene large mammals from Germany: What do they tell us
about dinosaur physiology?, Palaeontographica Abt. A 277 (1 -- 6), 143 --
159
Summary:
"Lines of arrested growth (LAGs) are a typical feature of the bone histology
of ectothermic tetrapods but have received little study in mammals and
birds. However, LAGs have figured prominently in the debate about dinosaur
physiology. Here we describe the bone histology, including the occurrence of
LAGs, in an extensive sample of herbivorous mammals from the Late [sic]
Pleistocene of Germany, mainly from the Rhine-Herne ship channel. Taxa
sampled include the cervids *Megaloceros giganteus*, *Cervus elaphus*, and
*Rangifer tarandus*, the bovids *Bos primigenius* and *Bison priscus*, the
equid *Equus* sp., the rhinocerotid *Coelodonta antiquitatis*, and the
elephantid *Mammuthus primigenius*. Samples were preselected for macroscopic
evidence of cyclical growth. Bones sampled were mainly metatarsals as well
as tibiae and indeterminate long bone fragments. All samples show
fibro-lamellar bone in the cortex that is replaced by secondary bone to
varying degrees. Most samples show one or more regularly spaced LAGs,
sometimes even preserved in secondary bone. Surprisingly, there are distinct
differences in the histology of the various taxa in terms of the arrangement
of the primary vascular network and the patterns of remodeling. The common
development of LAGs in these endothermic Late Pleistocene mammals calls into
question the argument that LAGs in dinosaur bone indicate an ectothermic
physiology."
Before anyone asks, I don't have the pdf and don't think one exists. But
I'll gladly answer any questions about the paper :-)