Rediscovery and revalidation of Calamaria annamensis Bourret, 1937 (Squamata: Calamariidae), a rare reed snake restricted to the Truong Son Range of central Vietnam Author Korolev, Alexey M. Department of Vertebrate Zoology, Lomonosov Moscow State University, Leninskiye Gory, GSP- 1, Moscow 119234, Russia Author Bragin, Andrey M. Joint Vietnam-Russia Tropical Science and Technology Research Center, Nghia Do, Hanoi, Vietnam Author Gorin, Vladislav A. Department of Vertebrate Zoology, Lomonosov Moscow State University, Leninskiye Gory, GSP- 1, Moscow 119234, Russia Author Le, Son Xuan Joint Vietnam-Russia Tropical Science and Technology Research Center, Nghia Do, Hanoi, Vietnam Author Idiiatullina, Sabira S. Department of Vertebrate Zoology, Lomonosov Moscow State University, Leninskiye Gory, GSP- 1, Moscow 119234, Russia Author Xu, Yuhao State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, China Author Zhang, Tierui Anhui Province Key Laboratory of the Conservation and Exploitation of Biological Resource, College of Life Sciences, Anhui Normal University, Wuhu, China Author Bos, Collin Museum of Vertebrate Zoology, University of California, Berkeley, CA 94720 - 3160, U. S. A. Author David, Patrick Institut de Systématique, Évolution et Biodiversité (ISYEB), Muséum National d’Histoire Naturelle, Sorbonne Université, École Pratique des Hautes Études, Université des Antilles, CNRS, CP 30, 57 rue Cuvier, F- 75005 Paris, France Author Nguyen, Tan Van The School of Medicine & Pharmacy, Duy Tan University, Da Nang, 550000, Vietnam & Center for Entomology & Parasitology Research, Duy Tan University, Da Nang, 550000, Vietnam Author Poyarkov, Nikolay A. Department of Vertebrate Zoology, Lomonosov Moscow State University, Leninskiye Gory, GSP- 1, Moscow 119234, Russia & Joint Vietnam-Russia Tropical Science and Technology Research Center, Nghia Do, Hanoi, Vietnam text Zootaxa 2026 2026-01-26 5752 1 105 133 https://doi.org/10.11646/zootaxa.5752.1.5 journal article 315344 10.11646/zootaxa.5752.1.5 8dbb956d-ce9b-4057-ae94-d16a3d9e4785 1175-5326 19171592 A8C82F70-EF6F-4586-97AF-F246D619A696

TABLE 3. Main measurements and meristic characters of the examined specimens of Calamaria annamensis stat. nov. in Bac Huong Hoa NR, Quang Tri, Vietnam. n/a = Not available, * = Holotype. Character abbreviations are detailed in the Methods section.

Specimen number	VRTC NAP-17841	MNHN-RA-1958.0456*	VRTC NAP-17842	VRTC NAP-17843
Sex	Male	Female	Female	Female
SVL	284	526	270	435
TaL	20	26	11	21
HL	9.7	14.1	8.4	11.5
HW	5.4	7.2	5.6	6.5
ED	1.0	1.4	1.0	1.1
EN	1.5	1.9	1.1	1.8
FT-l	2.3	3.8	2.1	3.1
FT-w	1.9	2.6	2.2	2.3
RT-w	2.3	n/a	1.5	2
RT-h	1.3	n/a	0.8	1.5
ASR	13	13	13	13
MSR	13	13	13	13
PSR	13	13	13	13
VEN	182	204	199	196
SC	22	15	14	14
SL	4/4	4/4	4/4	4/4
SL-E	2–3/2–3	2–3/2–3	2–3/2–3	2–3/2–3
PrO	1/1	1/1	1/1	1/1
PoO	1/1	1/1	1/1	1/1
IL	5/5	5/5	5/5	5/5
SCr-1 st	7	n/a	7	6
SCr-7 th	7	n/a	6	6
SCr-9 th	6	n/a	6	6