Spinetails can refer to birds of several genera:
Family Apodidae (Swifts):
Genus Mearnsia
Philippine Spine-tailed Swift (Mearnsia picina)
Papuan Spine-tailed Swift (Mearnsia novaeguineae)
Genus Zoonavena
Madagascar Spinetail (Zoonavena grandidieri)
São Tomé Spinetail (Zoonavena thomensis)
White-rumped Spinetail (Zoonavena sylvatica)
Genus Telacanthura
Black Spinetail (Telacanthura melanopygia)
Mottled Spinetail (Telacanthura ussheri)
Genus Rhaphidura
Silver-rumped Spinetail (Rhaphidura leucopygialis)
Sabine's Spinetail (Rhaphidura sabini)
Genus Neafrapus
Böhm's Spinetail (Neafrapus boehmi)
Cassin's Spinetail (Neafrapus cassini)

Family Furnariidae (Ovenbirds):
Genus Schoeniophylax
Chotoy Spinetail (Schoeniophylax phryganophilus)
Genus Synallaxis
Rufous-capped Spinetail, Synallaxis ruficapilla
Bahia Spinetail, Synallaxis whitneyi
Pinto's Spinetail, Synallaxis infuscata
Grey-bellied Spinetail, Synallaxis cinerascens
Silvery-throated Spinetail, Synallaxis subpudica
Sooty-fronted Spinetail, Synallaxis frontalis
Azara's Spinetail, Synallaxis azarae
Apurimac Spinetail, Synallaxis courseni
Pale-breasted Spinetail, Synallaxis albescens
Dark-breasted Spinetail, Synallaxis albigularis
Spix's Spinetail, Synallaxis spixi
Cinereous-breasted Spinetail, Synallaxis hypospodia
Ruddy Spinetail, Synallaxis rutilans
Chestnut-throated Spinetail, Synallaxis cherriei
Rufous Spinetail, Synallaxis unirufa
Black-throated Spinetail, Synallaxis castanea
Rusty-headed Spinetail, Synallaxis fuscorufa
Rufous-breasted Spinetail, Synallaxis erythrothorax
Slaty Spinetail, Synallaxis brachyura
Blackish-headed Spinetail, Synallaxis tithys
White-bellied Spinetail, Synallaxis propinqua
McConnell's Spinetail, Synallaxis macconnelli
Dusky Spinetail, Synallaxis moesta
Cabanis's Spinetail, Synallaxis cabanisi
Maranon Spinetail, Synallaxis maranonica
Plain-crowned Spinetail, Synallaxis gujanensis
White-lored Spinetail, Synallaxis albilora
Ochre-cheeked Spinetail, Synallaxis scutata
White-whiskered Spinetail, Synallaxis candei
Hoary-throated Spinetail, Synallaxis kollari
Stripe-breasted Spinetail, Synallaxis cinnamomea
Russet-bellied Spinetail, Synallaxis zimmeri
Necklaced Spinetail, Synallaxis stictothorax
Chinchipe Spinetail, Synallaxis (stictothorax) chinchipensis
Río Orinoco Spinetail, Synallaxis beverlyae
Great Spinetail, Synallaxis hypochondriaca
Red-shouldered Spinetail, Synallaxis hellmayri
Genus Siptornopsis
Great Spinetail Synallaxis hypochondriaca
Genus Gyalophylax
Red-shouldered Spinetail Synallaxis hellmayri
Genus Hellmayrea
White-browed Spinetail Hellmayrea gularis
Genus Cranioleuca
Creamy-crested Spinetail, Cranioleuca albicapilla
Light-crowned Spinetail, Cranioleuca albiceps
Marcapata Spinetail, Cranioleuca marcapatae
Baron's Spinetail, Cranioleuca baroni
Line-cheeked Spinetail, Cranioleuca antisiensis
Ash-browed Spinetail, Cranioleuca curtata
Streak-capped Spinetail, Cranioleuca hellmayri
Tepui Spinetail, Cranioleuca demissa
Pallid Spinetail, Cranioleuca pallida
Red-faced Spinetail, Cranioleuca erythrops
Grey-headed Spinetail, Cranioleuca semicinerea
Crested Spinetail, Cranioleuca subcristata
Olive Spinetail, Cranioleuca obsoleta
Stripe-crowned Spinetail, Cranioleuca pyrrhophia
Sulphur-bearded Spinetail, Cranioleuca sulphurifera
Rusty-backed Spinetail, Cranioleuca vulpina
Coiba Spinetail, Cranioleuca (vulpina) dissita
Parker's Spinetail or White-breasted Spinetail, Cranioleuca vulpecula
Speckled Spinetail, Cranioleuca gutturata
Scaled Spinetail, Cranioleuca muelleri
Bolivian Spinetail, Cranioleuca henricae
Genus Certhiaxis
Red-and-white Spinetail, Certhiaxis mustelinus
Yellow-chinned Spinetail, Certhiaxis cinnamomeus