There are three species; the type Lambdoceras hessei, L. siouxensis, and L. trinitiensis. PaleoBiology Database: Lambdoceras, basic info R. A. Stirton. 1967...

Poabromylus Pseudoprotoceras Toromeryx Trigenicus Protoceras Paratoceras Lambdoceras Prosynthetoceras Synthetoceras Syndyoceras Kyptoceras Prothero, D.R....

Prothero (1998), Webb et al. (2003) and Prothero and Ludtke (2007). Lambdoceras, Prosynthetoceras, Synthetoceras PaleoBiology Database: Synthetoceratini...

Kyptoceratini Genus Kyptoceras Genus Syndyoceras Tribe Synthetoceratini Genus Lambdoceras Genus Prosynthetoceras Genus Synthetoceras PaleoBiology Database: Synthetoceratinae...

Contents A B C D E F G H I J K L M N O P Q R S T U V W X Y Z †Lambdoceras †Lambdoceras hessei – type locality for species Lampropeltis †Lampropeltis similis...

locality for species †Hyracodon Ictalurus †Ischyrocyon †Ischyromys †Lambdoceras Lampropeltis Lepisosteus Lepomis †Leptauchenia †Leptictis †Leptocyon...

Contents A B C D E F G H I J K L M N O P Q R S T U V W X Y Z †Lambdoceras †Lambdoceras siouxensis Lampropeltis †Lampropeltis calligaster †Lampropeltis...

†Ischyromys Juglans †Kalobatippus Kinosternon †Kinosternon flavescens †Lambdoceras Lampropeltis †Lampropeltis calligaster †Lampropeltis getulus †Lampropeltis...

†Laevibuccinum †Laevibuccinum constrictum †Laevibuccinum lineatum †Lambdoceras †Lambdoceras trinitiensis †Lambertocyon †Lambertocyon eximius Lampropeltis †Lampropeltis...

†Kalobatippus Kinosternon †Kinosternon flavescens Kuphus †Lacunaria †Lambdoceras †Lambertocyon †Lambertocyon eximius Lampropeltis †Lampropeltis getulus...