Time range of Hexanchiformes species

The shark

fossil record

of this order reaches.

Family Chlamydoselachidae

Species	Lower Cretaceous						Upper Cretaceous						Paleocene			Eocene				Oligocene		Miocene						Pliocene			Pleistocene			Holocene	Extant
Species	B	V	H	B	A	A	C	T	C	S	C	M	D	S	T	Y	L	B	P	R	C	A	B	L	S	T	M	Z	P	G	L	M	U	Holocene	Extant
Chlamydoselachus thomsoni^[1]
Chlamydoselachus gracilis^[2]
Chlamydoselachus goliath^[2]
Proteothrinax baumgartneri
Chlamydoselachus fiedleri
Chlamydoselachus tobleri																				.
Chlamydoselachus bracheri
Chlamydoselachus lawleyi
Chlamydoselachus anguineus

Genus	Species	Early Jurassic				Middle Jurassic				Upper Jurassic			Lower Cretaceous						Upper Cretaceous						Paleocene			Eocene				Oligocene		Miocene						Pliocene			Pleistocene			Holocene	Extant
Genus	Species	H	S	P	T	A	B	B	C	O	K	T	B	V	H	B	A	A	C	T	C	S	C	M	D	S	T	Y	L	B	P	R	C	A	B	L	S	T	M	Z	P	G	L	M	U	Holocene	Extant
Hexanchus	arzoensis
	microdon “agassizii”																	.							.			.				.
	gracilis
	collinsonae
	hookeri
	agassizi																											.
	griseus																															.		-	-	-	-	-	-	-	-	-	-	-	-	-
	nakamurai “vitulus”
	griseus “andersoni” “gigas"																																	.
Notidanoides	-										.	-	-	-	-	-	-	-	-	-	-	-
Notidanodon	lanceolatus														.		-
	antarcti
	dentatus
	pectinatus
	brotzeni”
	loozi”
Notorynchus	“Notidanus” aptiensis”
	“Notidanus” intermedius
	“Notidanus” lawleyi
	“Notidanus” munsteri
	“Notidanus” cepedianus “primigenius” “kempi”																												.			.		.
	“Notidanus” serratissimus
	“Notidanus” serratus

^ Richter & Ward (1990 ): "Fish remains from the Santa Marta Formation (Late Cretaceous) of James Ross Island, Antarctica." Antarct Sci 2 (1) : 71 [Zoological Record Volume 126]
^ ^a ^b Antunes & Cappetta (2002): [Selachians from the Cretaceous (Albian-Maastrichtian) from Angola.] Palaeontogr Abt A Palaeozool-Stratigr 264 (5-6) April: 107 [Zoological Record Volume 138]

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