BKG Mendis of Sri Lanka was dismissed for 50 against New Zealand in the on-going test at Galle to provide the 37^th occasion of a wicket keeper batsman dismissed for an exact half century in a test innings in the annals of test cricket. All such occasions are tabulated below

No	Player	Runs	I	Team	Opposition	Ground	Start Date
1	WAS Oldfield	50	1	Australia	v England	Adelaide	14 Jan 1921
2	TA Ward	50	1	South Africa	v England	Manchester	26 Jul 1924
3	TG Evans	50	3	England	v Australia	Nottingham	10 Jun 1948
4	ATW Grout	50	2	England	v India	Eden Gardens	23 Jan 1960
5	DT Lindsay	50	3	South Africa	v England	Cape Town	01 Jan 1965
6	JT Murray	50	2	England	v New Zealand	Dunedin	04 Mar 1966
7	RW Marsh	50	2	Australia	v England	Lord’s	22 Jun 1972
8	DL Murray	50	3	West Indies	v Australia	Sydney	03 Jan 1976
9	APE Knott	50	2	England	v West Indies	The Oval	12 Aug 1976
10	SJ Rixon	50	2	Australia	v India	Perth	16 Dec 1977
11	DA Murray	50	2	West Indies	v Pakistan	Lahore	24 Nov 1980
12	KS More	50	3	India	v West Indies	Bridgetown	07 Apr 1989
13	KS More	50	2	India	v New Zealand	Auckland	22 Feb 1990
14	Rashid Latif	50	2	Pakistan	v England	The Oval	06 Aug 1992
15	DJ Richardson	50	3	South Africa	v India	Johannesburg	26 Nov 1992
16	Moin Khan	50	4	Pakistan	v Sri Lanka	Faisalabad	15 Sep 1995
17	RS Kaluwitharana	50	1	Sri Lanka	v Australia	Perth	08 Dec 1995
18	RS Kaluwitharana	50	2	Sri Lanka	v Australia	Melbourne	26 Dec 1995
19	NR Mongia	50	3	India	v South Africa	Johannesburg	16 Jan 1997
20	AC Parore	50	3	New Zealand	v India	Hamilton	02 Jan 1999
21	AC Gilchrist	50	2	Australia	v West Indies	Perth	01 Dec 2000
22	AC Gilchrist	50	1	Australia	v New Zealand	Adelaide	26 Nov 2004
23	GO Jones	50	2	England	v South Africa	Centurion	21 Jan 2005
24	D Ramdin	50	2	West Indies	v Pakistan	Karachi	27 Nov 2006
25	MV Boucher	50	2	South Africa	v India	Cape Town	02 Jan 2007
26	CS Baugh	50	2	West Indies	v Sri Lanka	Col-RPS	23 Nov 2010
27	MS Dhoni	50	2	India	v England	Southampton	27 Jul 2014
28	Litton Das	50	2	Bangladesh	v South Africa	Chattogram	21 Jul 2015
29	Q de Kock	50	3	South Africa	v New Zealand	Centurion	27 Aug 2016
30	BJ Watling	50	2	New Zealand	v South Africa	Dunedin	08 Mar 2017
31	Sarfaraz Ahmed	50	2	Pakistan	v South Africa	Johannesburg	11 Jan 2019
32	Q de Kock	50	4	South Africa	v England	Cape Town	03 Jan 2020
33	TD Paine	50	1	Australia	v India	Brisbane	15 Jan 2021
34	Litton Das	50	1	Bangladesh	v Sri Lanka	Pallekele	21 Apr 2021
35	RR Pant	50	3	India	v England	The Oval	02 Sep 2021
36	RR Pant	50	3	India	v Sri Lanka	Bengaluru	12 Mar 2022
37	BKG Mendis	50	1	Sri Lanka	v New Zealand	Galle	18 Sep 2024

It also provides the third occasion of a Sri Lankan wicket keeper dismissed for an exact half century in a test innings. All such occasions are tabulated below

No	Player	Runs	I	Team	Opposition	Ground	Start Date
1	RS Kaluwitharana	50	1	Sri Lanka	v Australia	Perth	08 Dec 1995
2	RS Kaluwitharana	50	2	Sri Lanka	v Australia	Melbourne	26 Dec 1995
3	BKG Mendis	50	1	Sri Lanka	v New Zealand	Galle	18 Sep 2024

It also provides the fifth occasion of a wicket keeper batsman dismissed for an exact half century in a test innings against New Zealand. All such occasions are tabulated below

No	Player	Runs	I	Team	Opposition	Ground	Start Date
1	JT Murray	50	2	England	v New Zealand	Dunedin	04 Mar 1966
2	KS More	50	2	India	v New Zealand	Auckland	22 Feb 1990
3	AC Gilchrist	50	1	Australia	v New Zealand	Adelaide	26 Nov 2004
4	Q de Kock	50	3	South Africa	v New Zealand	Centurion	27 Aug 2016
5	BKG Mendis	50	1	Sri Lanka	v New Zealand	Galle	18 Sep 2024