Family/species

Revised number of specimens

Long sizes (mm)

Known distribution

New distribution

FISSURELLIDAE

Mx

Min

A

Sd

Diodora digueti

(Mabille, 1895).

1

10.46

10.46

10.46

Mexico (San Ignacio Lagoon along the Gulf of California, Miramar beach Guaymas, Sonora and Baja California Sur, Mazatlan), Ecuador (south of Salinas).

(A. Myra Keen 1971, WMSDB: Worldwide Mollusc Species Data Base 2013, Discover Life 2013 and Ortiz-Arellano y Flores-Campaña 2008).

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

PHASIANELLIDAE Swainson, 1840.

Eulithidium perforatum

(Philippi, 1848).

1

3.12

3.12

3.12

Mexico (La Paz, Baja California Sur, Mazatlan, Sinaloa, Jalisco), Ecuador, Colombia (Gorgona Island) and Chile (A. Myra Keen 1971, Carol Skoglund 2002, WoRMS: World Register of Marine Species 2013, WMSDB: Worldwide Mollusc Species Data Base 2013 and González-Villareal 2005).

Parque de la Reina 16˚50'58.27''N y 99˚54'01,85''W

HIPPONICIDAE Troschel, 1861

Hipponix delicatus Dall, 1908.

19

14.09

6.13

10.02

2.13

America West and Bay of Panama.

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

Majahua 16˚47'39.62''N y 99˚50'29.02''W Muelle 16˚50'’58.27''N y 99˚54'01.85''W Tlacopanocha 16˚50'41.53''N y 99˚54' 25.02''W Manzanillo 16˚50'27.90''N y 99˚54'38.14''W

CALYPTRAEIDAE

Crepidula striolata Menke, 1851.

9

36.53

9.8

23.44

8.50

EE. UU. (San Diego, California), Mexico (Baja California, Gulf of California, Bahia de Kino, Guaymas, Sonora and Jalisco), El Salvador (San Salvador and San Miguel) and Panama (Las Perlas Island and Playa Cuco), Ecuador (the Southern Province of Manabi, Galapagos Islands) and Peru (South of San Bartolo)

(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 Tlacopanocha 16˚50' 41.53''N y 99˚54' 25.02''W Manzanillo 16˚50' 27.90''N y 99˚54' 38.14''W