New Species

Crotalus (Sayersus) wellsi Hoser, 2020.
Crotalus (Sayersus) wellingtoni Hoser, 2020.
Uropsophus oxyi Hoser, 2020.
Uropsophus woolfi Hoser, 2020.
Uropsophus euanedwardsi Hoser, 2020.
Uropsophus elfakhariorum Hoser, 2020.
Uropsophus valentici Hoser, 2020.
Uropsophus swileorum Hoser, 2020.
Cottonus tomcottoni Hoser, 2020.
Caudisona (Caudisona) evatti Hoser, 2020.

New subspecies

Uropsophus armstrongi strimplei Hoser, 2020.
Uropsophus aquilus hammondi Hoser, 2020.
Matteoea mitchelli matteoae Hoser, 2020.
Matteoea pyrrhus dorisioi Hoser, 2020.
Matteoea stephensi sommerichi Hoser, 2020.
Piersonus brunneus bartletti Hoser, 2020.
Caudisona (Smythus) basiliscus teesi Hoser, 2020.
Caudisona (Smythus) molossus smythi Hoser, 2020.

Other species recently described by Raymond Hoser

Crotalus (Sayersus) funki Hoser, 2016.
Aechmophrys adelynhoserae Hoser, 2018.
Aechmophrys jackyhoserae Hoser, 2018.

Other subspecies recently described by Raymond Hoser

Uropsophus pusillus gedyei Hoser, 2016.
Uropsophus pusillus rentoni Hoser, 2016.
Crotalus (Sayersus) helleri idyllwildi Hoser, 2016.

Potential Synonyms

Crotalus wellsi (Hoser, 2020).
Crotalus wellingtoni (Hoser, 2020).
Crotalus oxyi (Hoser, 2020).
Crotalus woolfi (Hoser, 2020).
Crotalus euanedwardsi (Hoser, 2020).
Crotalus elfakhariorum (Hoser, 2020).
Crotalus valentici (Hoser, 2020).
Crotalus swileorum (Hoser, 2020).
Crotalus tomcottoni (Hoser, 2020).
Crotalus evatti (Hoser, 2020).
Crotalus strimplei (Hoser, 2020).
Crotalus hammondi (Hoser, 2020).
Crotalus matteoae (Hoser, 2020).
Crotalus dorisioae (Hoser, 2020).
Crotalus sommerichi (Hoser, 2020).
Crotalus bartletti (Hoser, 2020).
Crotalus teesi (Hoser, 2020).
Crotalus smythi (Hoser, 2020).
Uropsophus armstrongi.
Uropsophus aquilus (Hoser, 2020).
Uropsophus strimplei (Hoser, 2020).
Uropsophus hammondi (Hoser, 2020).
Matteoea matteoae (Hoser, 2020).
Matteoea dorisioi (Hoser, 2020).
Matteoea sommerichi (Hoser, 2020).
Piersonus bartletti (Hoser, 2020).
Caudisona basiliscus teesi (Hoser, 2020).
Caudisona molossus smythi (Hoser, 2020).
Caudisona teesi (Hoser, 2020).
Caudisona smythi (Hoser, 2020).
Caudisona (Smythus) basiliscus teesi (Hoser, 2020).
Caudisona (Smythus) molossus smythi (Hoser, 2020).

Australasian Journal of Herpetology ®
Issue 48, published 3 August 2020

A monograph dealing with Rattlesnakes!
10 new species and 8 new subspecies!
It is easiest to download the whole thing as one big file (see link below).

New Rattlesnakes in the genera Crotalus Linne, 1758, Uropsophus Wagler, 1830, Cottonus Hoser, 2009, Matteoea Hoser, 2009, Piersonus Hoser, 2009 and Caudisona Laurenti, 1768 (Squamata: Serpentes: Viperidae: Crotalinae).
... Raymond T. Hoser, pp. 1-64.

More recent and important papers on Rattlesnakes you may have missed!

Hoser, R. T. 2018. A new species-level classification for the Aechmophrys cerastes (Hallowell, 1854) species group of Rattlesnakes (Squamata: Viperidae). Australasian Journal of Herpetology 37:14-17.

Hoser, R. T. 2016. New Rattlesnakes in the Crotalus viridis Rafinesque, 1818 and the Uropsophus triseriatus Wagler, 1830 species groups (Squamata:Serpentes:Viperidae:Crotalinae). Australasian Journal of Herpetology 33:34-41.

Hoser, R. T. 2009. A reclassification of the rattlesnakes; species formerly exclusively referred to the genera Crotalus and Sistrurus. Australasian Journal of Herpetology 3:1-21.

Hoser, R. T. 2012. A reclassification of the Rattlesnakes; species formerly exclusively referred to the Genera Crotalus and Sistrurus and a division of the elapid genus Micrurus. Australasian Journal of Herpetology 11:2-24.

AJH Issue 48 Front cover.

AJH Issue 48 Back cover.

All Zoobank entries (ICZN), papers, new names, Full list (AJH Issue 48) (20 pages).

Australasian Journal of Herpetology ®

Return to index for all AJH Published Issues.