Tags » Tetrapods

Romer's 'gap' gets filled by Clack et al. 2016

According to Clack et al. 2016
“The term ‘Romer’s Gap’ was coined for a hiatus of approximately 25 million years (Myr) in the fossil record of tetrapods, from the end-Devonian to the mid-Mississippian (Viséan).” 428 more words

Reptile Family Tree

A Jaw-Dropping Tumor from 255 Million Years Ago: Researchers Study Mammalian Ancestor for Clues to Odontoma

Note to Readers: Please also see disclaimers at the bottom of this article.

A research letter submitted to JAMA Oncology by Megan R. Whitney, M.Sc. purports to shed new light on an apparently ancient, but still prevalent health concern – odontoma, benign dental tumors similar to neoplasia which are typically formed from by irregular growths of enamel, dentin and cementum. 476 more words


Immaturity in the Latest Devonian: Acanthostega

This blogpost is somewhat outside of the reptile arena,
but marginally pertinent, as you’ll see, nevertheless.

A recent paper by Sanchez et al. 2016
reports that… 280 more words


Microsaurs in the Viséan and Middle Devonian footprints

The earliest known microsaur,
Kirktonecta milnerae (Clack 2011, UMZC 2002, Viséan, 330 mya), is not the basalmost microsaur, nor is it a basalmost lepospondyl, the parent clade. 424 more words

Basal Reptile

Schwan Lake, Santa Cruz

I admit it, I am embarrassed.  How is it possible that I, someone who prides herself on being well informed about our local area, could be so ignorant? 903 more words

History Walks

Essay 13: On Amniotes

The reason that reptiles, birds, and even mammals are able to live terrestrial lives is due to the fact that they are all amniotes, that is, they all produce an amniotic egg. 339 more words


The Wave Breakers

If you’re at Nariman Point to check out the beautiful Arabian Sea sunset or for a stroll along Marine Drive, you will note these peculiar odd looking (‘alien’ looking has been used to describe them too) structures, thousands of them, line the  coastline. 255 more words