1802-2018: a 220-year history of the Muséum periodicals
Emmanuel CÔTEZ et al.
1-41, Published on 30 January 2018, art. 40 (1)
A new hyporheic Monchenkocyclops Karanovic, Yoo & Lee, 2012 (Crustacea: Copepoda) from Turkey with special emphasis on antennulary homology
Süphan KARAYTUĞ et al.
43-58, Published on 30 January 2018, art. 40 (2) 
Four new cyclophoroid species from Thailand and Laos (Gastropoda: Caenogastropoda: Alycaeidae, Diplommatinidae, Pupinidae)
Barna PÁLL-GERGELY & András HUNYADI
59-66, Published on 13 February 2018, art. 40 (3) 
First record and DNA Barcoding of Oman cownose ray, Rhinoptera jayakari Boulenger, 1895 from Andaman Sea, India
Hosahalli Divakar PRADEEP et al.
67-74, Published on 27 February 2018, art. 40 (4) 
A review of the brachyuran deep-sea vent community of the western Pacific, with two new species of Austinograea Hessler & Martin, 1989 (Crustacea, Decapoda, Brachyura, Bythograeidae) from the Lau and North Fiji Back-Arc Basins
Danièle GUINOT & Michel SEGONZAC
75-107, Published on 13 March 2018, art. 40 (5) 
Article 23.9 of the Code cannot be used to reject the nomen Hyla quoyi Bory de Saint-Vincent, 1828 as a nomen oblitum
Annemarie OHLER & Alain DUBOIS
109-121, Published on 27 March 2018, art. 40 (6) 
Hanging on – lucinid bivalve survivors from the Paleocene and Eocene in the western Indian Ocean (Bivalvia: Lucinidae)
John D. TAYLOR & Emily A. GLOVER
123-142, Published on 10 April 2018, art. 40 (7) 
Cicadetta sibillae Hertach & Trilar, 2015, nouvelle espèce de cigale pour la France (Hemiptera, Cicadidae) et premières analyses des sons complexes émis durant la cymbalisation d’appel nuptial
Stéphane PUISSANT & Kevin GURCEL
143-158, Published on 24 April 2018, art. 40 (8) 
Squalus rancureli Fourmanoir, 1979, a new junior synonym of the blacktailed spurdog S. melanurus Fourmanoir, 1979, and updated diagnosis of S. bucephalus Last, Séret & Pogonoski, 2007 from New Caledonia (Squaliformes, Squalidae)
Sarah T. F. L. VIANA & Marcelo R. DE CARVALHO
159-177, Published on 09 May 2018, art. 40 (9) 
Annotated checklist of Afrotropical Trogolaphysa Mills, 1938 (Hexapoda: Collembola: Paronellidae) and description of a new species from Madagascar
Minh NGUYEN & Felipe N. SOTO-ADAMES
179-196, Published on 23 May 2018, art. 40 (10) 
New species of subterranean and endogean terrestrial isopods (Crustacea, Oniscidea) from Tuscany (central Italy)
Stefano TAITI & Giuseppe MONTESANTO
197-226, Published on 05 June 2018, art. 40 (11) 
Revision of Hesione Savigny in Lamarck, 1818 (Annelida, Errantia, Hesionidae)
Annotated checklist of the springtails (Hexapoda: Collembola) of the Collo massif, northeastern Algeria
Mohamed BENDJABALLAH et al.
389-414, Published on 21 August 2018, art. 40 (16) 
Diversity, morphological phylogeny, and distribution of bats of the genus Molossus E. Geoffroy, 1805 (Chiroptera, Molossidae) in Brazil
Livia Oliveira LOUREIRO et al.
425-452, Published on 18 September 2018, art. 40 (18) 
New species of Dolichopoda Bolívar, 1880 (Orthoptera, Rhaphidophoridae) from the Aegean Islands of Andros, Paros and Kinaros (Greece)
Claudio DI RUSSO et al.
469-479, Published on 16 October 2018, art. 40 (20) 
The dangers of inadequate literature search to nomenclatural stability: the case of the nomina Hyla quoyi Bory de Saint-Vincent, 1828 and Hyla prasina Burmeister, 1856 (Amphibia: Anura)
Henrique C. COSTA & Diego J. SANTANA
493-499, Published on 14 November 2018, art. 40 (22) 
The Hyla quoyi–Hyla prasina case (Amphibia, Anura), with comments on bibliographic and taxonomic databases and on Article 23.9 of the Code
Alain DUBOIS & Annemarie OHLER
501-506, Published on 14 November 2018, art. 40 (23) 
Annotated checklist of the endemic Tetrapoda species of Iran
Naeimeh ESKANDARZADEH et al.
507-537, Published on 29 November 2018, art. 40 (24) 
Review of grapsoid families for the establishment of a new family for Leptograpsodes Montgomery, 1931, and a new genus of Gecarcinidae H. Milne Edwards, 1837 (Crustacea, Decapoda, Brachyura, Grapsoidea MacLeay, 1838)
Danièle GUINOT et al.
547-604, Published on 21 December 2018, art. 40 (26) 
