SSC Groups


Below is the full list and contact details for all IUCN SSC Invertebrate Groups.  

The menu on the left provides links to the groups who have websites. The individual groups listed host their websites on the IUCN site.  For the externally hosted websites of other Invertebrate Groups please click on “Other Specialist Groups”.


Bumblebee Specialist Group

Co-chairs: Paul Williams and Sarina Jepsen
Red List Authority Coordinator: under appointment



Apollo ButterflyButterfly Specialist Group

Chair: Scott Hoffman Black
Red List Authority Coordinator: Monika Böhm



Whip scorpionCave Invertebrate Specialist Group

Co-Chairs: Tony Whitten and Louis Deharveng
Red List Authority Coordinator: 



Acropora coral.Coral Specialist Group

Chair: David Obura
Red List Authority Coordinator: Flavia Nunes 


DragonflyDragonfly Specialist Group

Co-Chairs: Viola Clausnitzer and Geert de Knijf 
Red List Authority Coordinator: 



Purple Marsh Crab (Afrithelphusa monodosa)Freshwater Crustacean Specialist Group

Chair: Neil Cumberlidge
Red List Authority Coordinators:
For Freshwater CrabsDarren C.J. Yeo
For CrayfishKeith Crandall
For Freshwater ShrimpsSammy DeGrave


Prionotropis hystrix rhodanicaGrasshopper Specialist Group

Co-Chairs: Axel Hochkirch and Mark Bushell 
Red List Authority Coordinator: Baudewijn Odé



Carcinoscorpius rotundicaudaHorseshoe Crab Specialist Group

Co-chairs and Red List Authority Coordinators: Mark L. Botton and Paul K.S. Shin


Spiky Yellow WoodlouseMid Atlantic Islands Invertebrate Specialist Group

Co-Chairs: Vicky Wilkins, Paulo Borges
Red List Authority Coordinator: David Pryce


The hard clam or quahog, Mercenaria mercenaria is a bivalve mollusc native to the eastern shores of North America, from Prince Edward Island to the Yucatán Peninsula.Mollusc Specialist Group (snails, slugs, squids, clams, scallops, etc)

Chair and Red List Coordinator: Mary Seddon
Red List Authority Coordinators:
For Cephalopods: Louise Allcock
For ConesHoward Peters
For European Land Snails: Eike Neubert


MillipedeSouth Asian Invertebrate Specialist Group

Co-Chairs: Bexell Ayyachamy Daniel and Dr. Gawsia Wahidunnessa Chowdhury
Red List Authority Coordinator: Sanjay Molur


Hogna ingensSpider and Scorpion Specialist Group

Chair: Pedro Cardoso 


Dung BeetleTerrestrial and Freshwater Invertebrate Red List Authority

Coordinator: Justin Gerlach

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