A guide to the Cnidarians (jellyfish relatives) and Lophotrochozoans (flatworms, molluscs, annelids & rotifers) of Austin and Travis County, TX; USA

This is a guide to the members of the Phyla Cnidaria, Platyhelminthes, Mollusca, Annelida and Rotifera (Syndermata). The Cnidarians (jellyfish and their relatives) represent the basal animals. The Lophotrochozoans (Phyla Platyhelminthes, Mollusca, Annelida and Rotifera) represent one of the ...more ↓

All 65

Green Hydra ¹
Hydra viridissima

Arrowhead Flatworm ²
Bipalium kewense

New Guinea Flatworm ³
Platydemus manokwari

Mollusc-eating Hammerhead Worm ⁴
Bipalium vagum

Moseley's Flatworm ⁵
Prostheceraeus moseleyi

Asian Clam ⁶
Corbicula fluminea

Corbicula ⁶

Texas Fatmucket ⁷
Lampsilis bracteata

Zebra Mussel ⁸
Dreissena polymorpha

White Italian Snail ⁹
Theba pisana

Rosy Wolfsnail ¹⁰
Euglandina rosea

wolf snails ¹⁰
Euglandina

Graceful Awlsnail ¹¹
Allopeas gracile

Decollate Snail ¹²
Rumina decollata

Globular Drop Snail ¹³
Helicina orbiculata

Helicina orbiculata tropica ¹⁴

Threeridge ¹⁵
Amblema plicata

Pondhorn ¹⁶
Uniomerus tetralasmus

Bleufer ¹⁷
Potamilus purpuratus

Southern Flatcoil ¹⁸
Polygyra cereolus

Giant Floater Mussel ¹⁹
Pyganodon grandis

Whitelip Globe ²⁰
Mesodon thyroidus

Marsh Ramshorn ²¹
Planorbella trivolvis

Yellow Sandshell ²²
Lampsilis teres

Paper Pondshell ²³
Utterbackia imbecillis

Whitewashed Rabdotus ²⁴
Rabdotus dealbatus

Prairie Rabdotus ²⁵
Rabdotus mooreanus

Grassland Liptooth ²⁶
Millerelix mooreana

Milk Snail ²⁷
Otala lactea

Tampico Pearly Mussel ²³
Cyrtonaias tampicoensis

Red-rimmed Melania ²⁸
Melanoides tuberculata

Meadow Slug ²⁹
Deroceras laeve

Flamed Tigersnail ³⁰
Anguispira alternata

southeastern tigersnail ⁷
Anguispira strongylodes

Asian Tramp Snail ³¹
Bradybaena similaris

Glossy Pillar ³²
Cochlicopa lubrica

Striate Wolfsnail ⁷
Euglandina singleyana

Minute Gem ³³
Hawaiia minuscula

Texas Liptooth ²⁶
Linisa texasiana

Greenhouse Slug
Milax gagates

Draparnaud's Glass Snail ²⁷
Oxychilus draparnaudi

Texas Oval ²⁶
Patera roemeri

Florida Flatcoil ³⁴
Polygyra septemvolva

Banded Scrubsnail ³³
Praticolella berlandieriana

Southern Mapleleaf ³⁵
Quadrula apiculata

Barton Cavesnail
Stygopyrgus bartonensis

Perforate Dome ³⁶
Ventridens demissus

Yellow Cellar Slug ³⁷
Limacus flavus

Black-velvet Leatherleaf ³⁸
Belocaulus angustipes

Garden Snail ³⁹
Cornu aspersum

Acute Bladder Snail ⁴⁰
Physa acuta

Smooth Pimpleback ²³
Cyclonaias houstonensis

Texas lilliput ³⁵
Toxolasma texasiense

Corbicula largillierti ⁴¹

Chocolate-band Snail ⁴²
Massylaea vermiculata

Common Earthworm ⁴³
Lumbricus terrestris

Redworm ⁴⁴
Eisenia fetida

Platyias quadricornis ⁴⁵

Lecane luna

Philodina roseola

Philodina megalotrocha ⁴⁶

Philodina acuticornis ⁴⁷

Macrochaetus sericus ⁴⁸

Rotaria neptunoida ⁴⁹

Philodina vorax ⁵⁰

Edited by Curtis Eckerman, some rights reserved (CC BY-SA)

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A guide to the Cnidarians (jellyfish relatives) and Lophotrochozoans (flatworms, molluscs, annelids & rotifers) of Austin and Travis County, TX; USA

Green Hydra 1 Hydra viridissima

Arrowhead Flatworm 2 Bipalium kewense

New Guinea Flatworm 3 Platydemus manokwari

Mollusc-eating Hammerhead Worm 4 Bipalium vagum

Moseley's Flatworm 5 Prostheceraeus moseleyi

Asian Clam 6 Corbicula fluminea

Texas Fatmucket 7 Lampsilis bracteata

Zebra Mussel 8 Dreissena polymorpha

White Italian Snail 9 Theba pisana

Rosy Wolfsnail 10 Euglandina rosea

wolf snails 10 Euglandina

Graceful Awlsnail 11 Allopeas gracile

Decollate Snail 12 Rumina decollata

Globular Drop Snail 13 Helicina orbiculata

Threeridge 15 Amblema plicata

Pondhorn 16 Uniomerus tetralasmus

Bleufer 17 Potamilus purpuratus

Southern Flatcoil 18 Polygyra cereolus

Giant Floater Mussel 19 Pyganodon grandis

Whitelip Globe 20 Mesodon thyroidus

Marsh Ramshorn 21 Planorbella trivolvis

Yellow Sandshell 22 Lampsilis teres

Paper Pondshell 23 Utterbackia imbecillis

Whitewashed Rabdotus 24 Rabdotus dealbatus

Prairie Rabdotus 25 Rabdotus mooreanus

Grassland Liptooth 26 Millerelix mooreana

Milk Snail 27 Otala lactea

Tampico Pearly Mussel 23 Cyrtonaias tampicoensis

Red-rimmed Melania 28 Melanoides tuberculata

Meadow Slug 29 Deroceras laeve

Flamed Tigersnail 30 Anguispira alternata

southeastern tigersnail 7 Anguispira strongylodes

Asian Tramp Snail 31 Bradybaena similaris

Glossy Pillar 32 Cochlicopa lubrica

Striate Wolfsnail 7 Euglandina singleyana

Minute Gem 33 Hawaiia minuscula

Texas Liptooth 26 Linisa texasiana

Greenhouse Slug Milax gagates

Draparnaud's Glass Snail 27 Oxychilus draparnaudi

Texas Oval 26 Patera roemeri

Florida Flatcoil 34 Polygyra septemvolva

Banded Scrubsnail 33 Praticolella berlandieriana

Southern Mapleleaf 35 Quadrula apiculata

Barton Cavesnail Stygopyrgus bartonensis

Perforate Dome 36 Ventridens demissus

Yellow Cellar Slug 37 Limacus flavus

Black-velvet Leatherleaf 38 Belocaulus angustipes

Garden Snail 39 Cornu aspersum

Acute Bladder Snail 40 Physa acuta

Smooth Pimpleback 23 Cyclonaias houstonensis

Texas lilliput 35 Toxolasma texasiense

Chocolate-band Snail 42 Massylaea vermiculata

Common Earthworm 43 Lumbricus terrestris

Redworm 44 Eisenia fetida