ToL Scientific Contributors for Sigmodon
- Michael Reno Florida State University, Tallahassee, Florida, USA (Muroidea)
- Scott J. Steppan Florida State University, Tallahassee, Florida, USA (Mammalia, Rodentia)
ToL Media Contributors for Sigmodon
- Michael Reno Florida State University, Tallahassee, Florida, USA
- Katja Schulz Smithsonian Institution, National Museum of Natural History, Washington, DC, USA
- Scott J. Steppan Florida State University, Tallahassee, Florida, USA