Order

Monotremata

Dorsolateral view of head, showing grooves on inside of lower jaw (preserved specimen, black and white photograph).  Also as Duck-billed Platypus.
Close-up view of manus, showing webbing and claws (preserved specimen; black and white photograph).  Also as Duck-billed Platypus.
View of burrow in bank by lake shore.  Also as Duck-billed Platypus.
Anterior view of left pectoral girdle, limb, and manus.  LACM 88312, from Australia.  Also as Duck-billed Platypus.
Anterior view of left pelvic girdle, limb, and pes, showing spur.  LACM 88312, from Australia.  Also as Duck-billed Platypus.
Left dorso-lateral view of skull, showing bill still attached.  LACM 88312, from Australia.  Also as Duck-billed Platypus.
Anterolateral view of skeleton standing.  Also as Duck-billed Platypus.
Also as Duck-billed Platypus.
Also as Duck-billed Platypus.
Also as Duck-billed Platypus.
Also as Duck-billed Platypus.
Side view.  Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Side view of skull.  Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Individual in defensive posture, with head pushed under log.  Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Lateral view of mounted skeleton.  Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Anterior view of left pectoral girdle, showing scapula, clavicle, interclavicle, procoracoid, coracoid, and glenoid fossa.  LACM 10032, from San Diego Zoo.  Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Ventral view of left hind foot.  LACM 10032, from San Diego Zoo.  Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Ventral view of left front foot.  LACM 10032, from San Diego Zoo.  Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Also as Australian Echidna, Short-nosed Echidna, Spiny Anteater, Bristly Echidna.
Also as Barton's Long-beaked Echidna.

Image courtesy of the ASM Mammal Images Library

Monotremata