Meeting Schedule TUESDAY, JUNE 23 In MH 354 8:30 – 9:00 AM Registration 9:00 AM – 5:00 PM Micromollusk workshop presented by Daniel Geiger In MH 237 7:00 – 9:00 PM

Opening Reception provided by the Pacific Conchological Club

WEDNESDAY, JUNE 24 In KHS 199 8:30 – 9:00 AM 9:00 – 9:20

Registration Opening remarks

Morning session moderated by Dr. Ángel Valdés 9:20 – 9:40 AM

Elysse Gatdula Population structure of Navanax based on nuclear and mitochondrial gene data

9:40 – 10:00

Elysse Gatdula and Ángel Valdés A two-gene phylogeny of Chelidonura and the validity of some Caribbean species

10:00 – 10:20

Matthew N. Garchow and Patrick J. Krug Population dynamics at a shifting range boundary between sister species of estuarine sea slug: role of the physical environment versus larval supply

10:20 – 10:40

Break

10:40 – 11:00

Dominique Gordon Environmental Effects on Larval Development of the sea slug Alderia willowi

11:00 – 11:20

Patrick J. Krug, Albert Rodriguez, Danielle Y. Trathen, and Cynthia D. Trowbridge Algal host shifts drive speciation and morphological divergence in herbivorous sea slugs

11:20 – 11:40

Angela S. Llaban and Patrick J. Krug Slug sex, reproductive interference, and Allee effects at a shifting range boundary

11:40 – Noon

Melissa R. Romero and Patrick J. Krug Nitric oxide signaling regulates larval metamorphosis in a hostspecialized sea slug

Noon – 1:30 PM

Lunch

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Meeting Schedule WEDNESDAY, JUNE 24 continued Afternoon session moderated by Dr. Patrick Krug 1:40 – 2:00 PM

Elizabeth L. Shimer and Patrick J. Krug Survival at the edge: ecophysiology and range limits of Alderia

2:00 – 2:20

Danielle Y. Trathen Comparative phylogeography of Caribbean sea slugs with long-lived vs. short-lived larvae

2:20 – 2:40

Michael T. Ghiselin and Ernesto Mollo Chemical defense, coloration and structure in the nudibranch family Chromodorididae

2:40 – 3:00

Break

3:00 – 3:20

Hans Bertsch, Ángel Valdés and Terrence M. Gosliner Description of the first tritoniid nudibranch found feeding on a zooanthid anthozoan, with a preliminary phylogeny of the Tritoniidae

3:20 – 3:40

Luis Gonzalez Potential synonymization of two opistobranch mollusc species

In KHS 199 Foyer 3:40 – 5:00 PM

Posters Esteban F. Félix-Pico, Martín Hernández-Rivas, Oscar E. HolguínQuiñones and Víctor Vargas-López The zonation and density of the macromolluscs living in the mangrove swamps of the sand barrier of El Mogote, La Paz, Baja California Sur

Charles L. Powell, II and Frank Perry Biostratigraphy of the northern Monterey Bay section of the Purisima Formation (late Miocene-late Pliocene), Santa Cruz County, California

Wendy Enright Storms Deep water mollusk communities in the Southern California Bight

Arturo Tripp-Quezada, Jochen Halfar, Lucio Godínez Orta, and José Borges Souza Biodiversity of molluscs associated with a nontropical carbonate shelf in Punta Chivato, Gulf of California

Jann Elizabeth Vendetti A method for replicating gastropod protoconchs for morphological analysis

Outside KHS 199 5:30 – 6:30 PM

WSM Executive Board Meeting All current members of the WSM executive board and past WSM presidents are invited to attend

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Meeting Schedule THURSDAY, JUNE 25 In MH 354 8:30 – 9:00 AM 9:00 AM – Noon

Registration Bivalve workshop presented by Paul Valentich-Scott

Noon – 1:30PM

Lunch

In KHS 199 Afternoon session moderated by Dr. Douglas Eernisse 1:40 – 2:00 PM

Laney Whitlow and Douglas J. Eernisse Phenotypic plasticity in the shell morphology and volume of the surfgrass limpet, Lottia paleacea

2:00 – 2:20

Michelle Ridgway and Nora Foster Gastroclods”: Pleistocene remnants from Pribilof Canyon

2:20 – 2:40

Richard L. Squires Early to Middle Pliocene mollusks from the lower part of the Towsley Formation, Wiley Canyon, northern Santa Susana Mountains, Los Angeles County, California

2:40 – 3:00

James H. McLean Revision of world Vetigastropoda)

3:00 – 3:20

Liotiidae,

Recent

and

fossil

(Gastropoda:

Douglas J. Eernisse What is Acmaea conus Test, 1945?

3:20 – 3:40

Break

3:40 – 4:00

Brenton T. Ferguson and Douglas J. Eernisse Morphological and molecular distinctions of a specialist and a generalist limpet species living on feather boa kelp stipes in California

4:00 – 4:20

Chrystal D. Johnson and Douglas J. Eernisse Some shield limpets (Lottia pelta) experience a mid-life crisis while seaweed limpets (Lottia insessa) live fast and die young

4:20 – 4:40

Jann Elizabeth Vendetti A molecular phylogenetic analysis of the Buccinidae (Mollusca: Neogastropoda) of the North West Pacific

4:40 – 5:00

Michael J. Vendrasco Homology between shells of early molluscs and brachiopods

In MH 237 7:00 – 8:00 PM 8:00 – ~9:30

Reprint sale, with beverages Auction, with beverages; Auctioneer: Carole Hertz Proceeds benefit WSM Student Grant Fund

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Meeting Schedule FRIDAY, JUNE 26 In KHS 199 Symposium on “The Interface of Human and Molluscan Ecology”, convened by Hans Bertsch. 8:30 – 9:00 AM

Hans Bertsch Father Kino, abalones, and the Island of California

9:00 – 9:20

Carlos Figueroa Beltrán and Miguel Agustín Téllez Duarte Prehistoric shell middens at Punta Colonet, Baja California, México: Cultural and environmental significance

9:20 – 9:40

Omar Mendoza Porras, Felipe Aguilera-Muñoz, Pamela Prieto-Araya, Cristian Gallardo-Escárate, and Miguel Angel Del Río-Portilla Genetic traceability: A feasible tool for Mexican abalone products

9:40 – 10:00

Esteban Fernando Félix-Pico, Mauricio Ramírez-Rodríguez, Marcial Arellano-Martínez and Alfonso Vélez-Barajas Management strategies of Argopecten ventricosus fisheries in Bahía Magdalena, México

10:00 – 10:20

Carlos Cáceres Martínez and A. Medina Bustamante Hermaphroditism in Pinna rugosa at San Ignacio Lagoon

10:20 – 10:40

Break

10:40 – 11:00

Miguel A. del Rio-Portilla, Eugenio Díaz Iglesias, Carmen G. Paniagua Chávez, Julio S. Palleiro Nayar and Santiago Reseck Duarte Fishermen and the Academy: The search for a new generation of aquaculturists in Baja California, México

11:00 – 11:20

Carlos Cáceres Martínez and A. Benitez Torres Mother of Pearl shell carving work to establish family enterprises in San Pedro, México and Agua Amarga, BCS, México

11:20 – 11:40

Luis Alfonso Rodríguez Gil, Daniel Blanqueto Cordova, Carlos Francisco Reyes Sosa, Sara Nahuat Dzib, José Luis Giorgana Figueroa, and Ramiro Alpizar Carrillo Production of egg masses in enclosure areas by adult milk conch Strombus costatus (Gmelin) in the Contoy Island National Park, Quintana Roo, México

11:40 – Noon

Christopher L. Kitting, Scott Cassell, and Elizabeth Bergman Collective action, environmental activism, and environmental quality: Evidence of native freshwater mussels without invasive bivalves, in deep Fallen Leaf Lake, near invasive and native bivalves of Lake Tahoe, California

Noon – 1:30 PM

Catered lunch

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Meeting Schedule FRIDAY, JUNE 26 continued In KHS 199 1:30 – 2:30 PM

Keynote Speech by Hans Bertsch Midden mounds of Baja California: Trash dumps with a view

2:30 – 2:45 2:45 – 4:00

Group photograph WSM Business Meeting All WSM members (including new members!) are welcome to attend

Off Campus 5:00 PM

Group dinner El Farolito in Placentia (201 S. Bradford Ave.). El Farolito is a local favorite, serving good Mexican food at relatively inexpensive prices. Their margaritas (including mango) are also quite tasty. Directions (from the Holiday Inn or CSUF campus): go East on Nutwood Ave., turn right on N. Placentia Ave.; left on W. Chapman Ave., then right on Bradford Ave [total driving time 5-10 minutes].

Near the Wrigley Marine Center, Santa Catalina Island (photo by Doug Eernisse); see next page. . .

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Field Trip to Santa Catalina Island SATURDAY, JUNE 27 The field trip will be to Santa Catalina Island, and will be led by Professor Doug Eernisse. We will observe wildlife, including subtidal mollusks, on the way to the island. Once on the island, you can choose one or more of the following activities: snorkel, kayak, hike in the hills, visit the USC Wrigley Marine Center and touch tank, and have a picnic. The $25 fee for the field trip includes lunch as well as docking fee and rental costs of snorkeling gear (including wetsuit) and kayak. Those who have already paid the $50 field trip fee will receive $25 back or you can elect to sponsor a student. Notes on the boat trip: there will be some rocking and rolling, so if you get motion sickness at all you should probably take motion sickness medication before the boat trip to and from the island. Also, make sure you bring appropriate shoes, as no open-toed shoes or sandals are allowed on the boat. In case of emergency you can contact Michael Vendrasco or Doug Eernisse via cell phone (MV: 562-645-2644; DE: 714-747-2048). DEPARTURE SCHEDULE 6:00 AM - depart from CSUF at the loading dock of the DBH building on its west end, with free parking available in nearby Lot C. OR 7:00 AM - meet at the Southern California Marine Institute (Terminal Island near City of San Pedro). Directions are at the bottom of this page, map on following page. Vanpool: If you registered and paid for the field trip by May 30, you are guaranteed a spot in the vanpool. If you would like to ride in the vanpool or can offer a ride, let Michael Vendrasco and Doug Eernisse know. Late registrants wishing to ride in the vanpool will be put on a waiting list.

5:00 PM – Back on mainland.

DIRECTIONS TO SOUTHERN CALIFORNIA MARINE INSTITUTE (from campus, take I-57 about 1.5 miles south to I-91 West, then drive 22 miles to the 110 Harbor Freeway south, and follow directions below)

FROM THE 110 HARBOR FREEWAY Take the 110 Harbor Freeway south towards San Pedro. Exit at Rt. 47, the Vincent Thomas Bridge. Cross the bridge and exit at Ferry Street (the first exit coming down off the bridge), and turn left (onto Ferry) at the signal. Turn right onto Terminal Way (second signal). After one signal and two stop signs, the road curves left and becomes Seaside Avenue. After the curve, you’ll see water on the left, after which SCMI is the first building, a tan two-story with a reddish fence along the street. Public parking is on the street (east side only). FROM THE 710 LONG BEACH FREEWAY Take the 710 Long Beach freeway south to Terminal Island (right two lanes when freeway splits). Then continue on to the Gerald Desmond bridge (Ocean Blvd) by staying to the left. Cross the bridge, continuing on Ocean Blvd then exit at Ferry Street about 3 miles (just before the Vincent Thomas bridge, which you don’t want to cross). The offramp will turn left under the bridge onto Ferry Street. Continue on Ferry, and at the third signal turn right onto Terminal Way. After one signal and two stop signs, the road curves left and becomes Seaside Avenue. After the curve, you’ll see water on the left, after which SCMI is the first building, a tan two-story with a reddish fence along the street. Public parking is on the street (east side only). See map on following page.

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SOUTHERN CALIFORNIA MARINE INSTITUTE (SCMI) 820 South Seaside Ave., Terminal Island, CA 90731.

Modified Google Earth image showing location of SCMI, for trip attendees who wish to drive themselves to harbor. Map width = 1.25 km. HINTS FOR FINDING SCMI IF YOU GET LOST:  Stay on Terminal Island - between the Vincent Thomas Bridge and the Gerald Desmond Bridge.  The Terminal Island Correctional Institution, and the Coast Guard are past SCMI on South Seaside Ave. So follow any signs to these that you see. If you reach them, you have gone too far. If you are lost ask for directions to these two landmarks!  Call Mike or Doug or SCMI at (310) 519-3172.

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CSUF Campus Map Talks will be held in KHS (Kinesiology and Health Science) 199. Workshops, the opening reception, and the auction and reprint sale will be held in MH (McCarthy Hall) 237. If you find yourself on campus with nothing to do for a few hours, the Fullerton Arboretum is a nice place to visit. Parking is free in the dirt lot right outside the Arboretum (NW corner).

Fullerton Arboretum

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Restaurants at and near CSUF

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Meeting Schedule

In MH 354. 8:30 – 9:00 AM. Registration. 9:00 AM – Noon. Bivalve workshop presented by Paul Valentich-Scott ... 2:20 – 2:40. Richard L. Squires. Early to Middle Pliocene mollusks from the lower part of the Towsley. Formation, Wiley Canyon, northern Santa Susana Mountains, Los. Angeles County, California. 2:40 – 3:00.

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