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“Chinese Pangolin.” IUCN SSC Pangolin Specialist Group, www.pangolinsg.org/pangolins/chinese-pangolin/

“Chinese Pangolin Photos and Facts.” Arkive, www.arkive.org/chinese-pangolin/manis-pentadactyla/

“Manis Crassicaudata .” Manis Crassicaudata (Indian Pangolin, Thick-Tailed Pangolin), www.iucnredlist.org/details/12761/0

“Indian Pangolin.” IUCN SSC Pangolin Specialist Group, www.pangolinsg.org/pangolins/indian-pangolin/

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“Manis Culionensis .” Manis Culionensis (Philippine Pangolin), www.iucnredlist.org/details/136497/0

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Schoppe, S. “Re: Manis culionensis photos.” Received by R. Cota-Larson, 23 October 2017.

“Manis Javanica .” Manis Javanica (Malayan Pangolin, Sunda Pangolin), www.iucnredlist.org/details/12763/0

“Sunda Pangolin.” IUCN SSC Pangolin Specialist Group, http://www.pangolinsg.org/pangolins/sunda-pangolin/

“Sunda Pangolin Photos and Facts.” Arkive, www.arkive.org/sunda-pangolin/manis-javanica/

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“Phataginus Tricuspis .” Phataginus Tricuspis (African White-Bellied Pangolin, Three-Cusped Pangolin, Tree Pangolin, White-Bellied Pangolin), www.iucnredlist.org/details/12767/0

“Smutsia Gigantea .” Smutsia Gigantea (Giant Ground Pangolin, Giant Pangolin), www.iucnredlist.org/details/12762/0

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Hywood, L. (personal communication, 2014 - 2017)

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Luczon AU, Ong PS, Quilang JP, Fontanilla, IKC. Determining species identity from confiscated pangolin remains using DNA barcoding. Pages 763-766 | Received 11 Jul 2016, Accepted 16 Sep 2016, Published online: 18 Oct 2016. 

Katsis, L. “[EXT]: RE: Feedback on Identifcation guide.” Received by R. Cota-Larson, 09 May 2018.