| "Tapeworm eggs in a 270 million-year-old shark coprolite" | "Tapeworm eggs in a 270 million-year-old shark coprolite" |
|---|---|
| Dentzien-Dias, PC; Poinar, G Jr; de Figueiredo, AE; Pacheco, AC; Horn, BL; Schultz, CL 30 January 2013 |
Dentzien-Dias, PC; Poinar, G Jr; de Figueiredo, AE; Pacheco, AC; Horn, BL; Schultz, CL 30 January 2013.
19.