Rolf Nussbaumer / Texas spotted whiptail lizard, male {Cnemidophorus gularis gularis} Texas, USA.
01398768
Solvin Zankl / Opercula of Turban snail (Bolma rugosa) this is the lid attached to the foot of a snail which enables the animal to completely close its shell. Diagonal of frame approx 8 mm
01398767
Solvin Zankl / Opercula of Turban snail (Bolma rugosa) this is the lid attached to the foot of a snail which enables the animal to completely close its shell. Diagonal of frame approx 8 mm
01372643
David Shale / Gastropod sea snail showing opening operculum ('lid'). Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.
01353539
Georgette Douwma / Vermetid worm snail (Serpulid sp.) Raja Ampat, West Papua, Indonesia.
01305156
GEORGETTE DOUWMA / Vermetid worm / Worm snail (Dendropoma maxima). Vermetid gastropods are unusual snails in that they secrete the calcareous tube in which they live. This one has a operculum. They feed by trapping part...
01305151
Georgette Douwma / Serpulid feather duster worm (Serpulidae) a filter feeder that lives in a calcareous tube which it secretes, One of its tentacles has been modified to form an operculum, which can seal off the tube, o...
01289410
Stephen Dalton / Great grey / Leopard slug (Limax maximus) on toadstool showing operculum, UK, controlled conditions
01232542
Mary McDonald / Savannah monitor lizard {Varanus exanthematicus} Samburu reserve, Kenya
01174434
Rolf Nussbaumer / Texas Spotted Whiptail lizard {Cnemidophorus gularis} Hill Country, Texas, USA
01173112
Nature Production / Chinese Snakehead {Channa asiatica} aggressive display with its operculum enlarged, Japan
01142748
Philippe Clement / Inland bearded dragon {Pogona vitticeps} Australia, captive.
01138605
Jane Burton / Common Frog (Rana temporaria) 8-week-old tadpole with fully developed hind legs and front left leg pushing through operculum slit
01127028
Patricio Robles Gil / Perentie goanna {Varanus giganteus} captive, Australia.
01130250
John Cancalosi / Short crested spiny tailed iguana {Ctenosaura hemilopha}
01130377
John Cancalosi / San Lucan rock lizard {Petrosaurus thalassinus} Baja California, Mexico, captive
01127030
Patricio Robles Gil / Perentie goanna {Varanus giganteus} captive, Australia.
01121113
Michael Hutchinson / Black slug, red form {Arion ater} England
01109471
Dietmar Nill / Balkan green lizard {Lacerta trilineata} Sicily
01109472
Dietmar Nill / Balkan green lizard {Lacerta trilineata} Sicily
