Family/species

Revised number of specimens

Long sizes (mm)

Known distribution

New distribution

FISSURELLIDAE Fleming, C.A., 1822.

Mx.

Min.

A.

Sd.

Hemitoma

(Hemitoma) natlandi Durham, 1950.

1

15.17

15.17

15.17

Mexico (Barra de Navidad, Jalisco), Panama (Panama Bay) and Colombia (Puerto Utria and Gorgona Island) (A. Myra Keen 1971, Carol Skoglund 2002, WoRMS: World Register of Marine Species 2013 and Discover Life 2013).

Majahua 16˚47'39.62''N y 99˚50'29.02''W

TROCHIDAE

Tegula

(Agathistoma)

panamensis

(Philippi, 1849).

3

9.38

4.37

6.87

3.54

Mexico (Sonora), El Salvador (Playa La Libertad), Costa Rica (Del Coco and Jaco beaches), Panama (Venado Island), Ecuador, Colombia (north of the island of Gorgona) and Peru (south of Paita) (A. Myra Keen 1971, Carol Skoglund 2002, WoRMS: World Register of Marine Species 2013, WMSDB: Worldwide Mollusc Species Data Base 2013 and Discover Life 2013).

Majahua 16˚47'39.62''N y 99˚50'29.02''W Manzanillo 16˚50'27.90''N y 9˚54'38.14''W

TURBINIDAE Rafinesque, 1815.

Arene (Arene) hindsiana Pilsbry& Lowe, 1932.

3

6.67

5.47

6.07

0.84

American West, Mexico (Baja California Sur, Colima Manzanillo, Tres Marias Islands, Mazatlan and Manzanillo.)

(A. Myra Keen 1971, WMSDB: Worldwide Mollusc Species Data Base 2013 and Discover Life 2013).

Majahua 16˚47'39.62''N y 99˚50'29.02''W Tlacopanocha 16˚50'41.53''N y 99˚54'25.02''W

CERITHIIDAE Fleming, 1822.

Rhinoclavis

(Ochetoclava) gemmata

(Hinds, 1844).

6

9.93

6.98

8.45

2.08

Mexico (Magdalena Bay to the Gulf of California, Baja California Sur, Revillagigedo Island, Manzanillo, Colima;) Colombia (Gorgona Island) and Ecuador (GalapagosIslands)

(A. Myra Keen 1971 and Carol Skoglund 2002).

Majahua 16˚47'39.62''N y 99˚50'29.02''W Parque de la Reina 16˚50'58.27''N y 99˚54'01.85''W Muelle 16˚50'58.27''N y 99˚54'01.85''W

Seila assimilata

(C. B. Adams, 1852).

10

7.51

4.28

5.27

1.13

EE. UU. (Todas Santos Bay, California), Mexico (Puertecitos Baja California, Gulf of California, Todas Santos Bay, Bahia Magdalena and San Felipe, Baja California Sur and La Cruz, Nayarit), Costa Rica (Cocos Island) Panama (Panama Bay), Colombia (Malpelo Island and Gorgona Island) Ecuador (Galapagos Islands) and Peru (south of Tumbes). (A. Myra Keen 1971, WoRMS: World Register of Marine Species 2013 and Discover Life 2013).

Parque de la Reina 16˚50'58.27''N y 99˚54'01.85''W

EPITONIIDAE Berry 1910.

Epitonium

(Labeoscala) cookeanum Dall, 1917.

2

8.07

7.28

7.67

0.55

EE. UU. (San Diego, California), Mexico (California Gulf, La Paz, Cabo San Lucas, Isla de Espiritu Santo, Baja California Sur. Peñasco Bay, Guaymas Sonora) west of Panama (A. Myra Keen 1971, Carol Skoglund 2002, WoRMS: World Register of Marine Species 2013 and Discover Life 2013).

Parque de la Reina 16˚50'58.27''N y 99˚54'01.85''W