Tantã is a very important and well-known brazilian instrument that replaces surdo when in small gatherings, such as "rodas de samba" or "rodas de choro".

Here is the related wikipedia page, in english:

https://en.wikipedia.org/wiki/Tan-tan

For further information (such as pictures, links and alternative names, displayed in bold), refer to the portuguese version of the wikipedia page:

rebolo, but it might be a smaller version? need more research if another instrument or just an alias
tantan aka tintin aka REBOLO aka tantã
https://saisaibatake.ame-zaiku.com/gakki/gakki_jiten_tantan.html
https://saisaibatake.ame-zaiku.com/gakki/gakki_jiten_tantan2.html
https://ja.wikipedia.org/wiki/タンタン_(楽器)
https://pt.wikipedia.org/wiki/Tant%C3%A3
https://en.wikipedia.org/wiki/Tom_drum
https://ja.wikipedia.org/wiki/%E3%83%98%E3%83%94%E3%83%8B%E3%82%AD
https://ja.wikipedia.org/wiki/%E3%82%BF%E3%83%B3%E3%82%BF%E3%83%B3_(%E6%A5%BD%E5%99%A8)
https://en.wikipedia.org/wiki/Tan-tan
https://www.toquei.com/en/rebolo-tantan-e-repique-de-mao-diferencas-e-usos-no-pagode/

https://pt.wikipedia.org/wiki/Tantã
seems the tantaquita or rebolo is a smaller tan-tan