Resolving the identity of Pallary’s Skink: a new taxon of the genus Chalcides (Squamata: Scincidae) from Morocco and Algeria. pp. 1-16 plus Supplementary Figs S1&S2 and Supplementary Table S3.

A spotlight on the hybrid zone of grass snakes (Natrix helvetica sicula and Natrix natrix) in southern Bavaria – the Prien Valley. pp. 17-28 plus Supplementary Material.

Disappearing archosaurs – an assessment of established protected areas in the Philippines to save the critically endangered, endemic Philippine Crocodile (Crocodylus mindorensis). pp. 29-41 plus Supplementary Table S1 and Supplementary Table S2.

Reproduction, development and morphological plasticity in the direct-developing frog Pristimantis rosadoi. pp. 42-50.

Show me your true face: How many Emydura species occur in the Mitchell River Drainage, Kimberley, Australia? pp. 51-59 plus Supplementary document S1, Supplementary document S2, Supplementary document S3, Supplementary document S4, Supplementary document S5, Supplementary document S6.

The herbicide atrazine increases mucopolysaccharides and decreases the thickness of the epithelium of the frog Lithobates spectabilis (Ranidae). pp. 60-66.

A new species of harlequin toad from the Western Cordillera of Colombia (Bufonidae: Atelopus), with comments on other forms. pp. 67-81.

Was it premature to declare the giant Tongan Ground Skink Tachygyia microlepis extinct? pp. 82-93.

Leeches (Hirudinea: Glossiphoniidae: Maiabdella batracophila and Helobdella sp.) associated with Andean water frogs (Anura: Telmatobiidae: Telmatobius) in southern Peru. pp. 94-103.

The effect of hybrids on phylogenomics and subspecies delimitation in Salamandra, a highly diversified amphibian genus. pp. 105-128 plus Supplementary Material.

Fire Salamander, Salamandra salamandra, niche selection in Central European conditions. pp. 129-146.

Behavioural responses of predator-naïve, predator-experienced and wild-caught Sphaerotheca breviceps tadpoles to kairomones from the carnivorous tadpoles of Hoplobatrachus tigerinus. pp. 147-152.

Two new Choerophryne species from western Papua New Guinea (Amphibia: Anura: Microhylidae). pp. 153-167.

Acoustic, visual, and chemical social behaviours of the Chilean Marked Gecko (Garthia gaudichaudii). pp. 168-182 plus Supplementary audio file, Supplementary video 1, Supplementary video 2, Supplementary video 3, Supplementary video 4, Supplementary video 5, Supplementary video 6, Supplementary video 7.

Unexpected lack of genetic and morphological divergence in a widespread tortoise – Phylogeography of Indotestudo elongata. pp. 183-194 plus Supplementary document 1.

Description of the tadpole of Hyloxalus nexipus (Anura: Dendrobatidae) with comments on geographic variation. pp. 195-200 plus Supplementary document 1.

Molecular evidence reveals human-mediated dispersals of snake species in the Aegean Islands. pp. 201-207 plus Supplementary documents.

Two new species of Caecilia (Gymnophiona: Caeciliidae) from the Ecuadorian humid Chocó. pp. 209-236 plus Supplementary Video 1 and Supplementary Video 2.

A new species of harlequin toad (Bufonidae: Atelopus) from Amazonian Ecuador. pp. 237-253 plus Supplementary material.

Distinct sexual dimorphism in a vulnerable lizard, Physignathus cocincinus, in Vietnam: an indirect cause for male-biased exploitation? pp. 254-262.

Getting back to name-bearing types: archival DNA and morphology clarify the identity of Hyla splendens Schmidt, 1857 and challenge the taxonomy of Bolivian populations of Gastrotheca (Anura: Hemiphractidae). pp. 263-282.

Mystery solved: unravelling the life history of the enigmatic and ancient Philippine frog Barbourula busuangensis (Anura: Bombinatoridae). pp. 283-296 plus Supplementary Video 1 and Supplementary Video 2.

Davian behaviour and functional egg fertilization in the Italian Stream Frog Rana italica (Anura: Ranidae). pp. 297-301.