Alcobaça Formation

Chondrichthyes

More information Chondrichthyes of the Alcobaça Formation, Genus ...

Chondrichthyes of the Alcobaça Formation
Genus	Species	Location	Stratigraphic Position	Material	Notes	Images
Hybodus[7]	Indeterminate	Guimarota		Isolated Teeth
Asteracanthus[7]	A. biformatus	Guimarota		isolated teeth, fin-spine and a head-spine
Polyacrodus[7]	Indeterminate	Guimarota		Isolated teeth and a fin-spine
Orectolobiformes[7]	Indeterminate	Guimarota		One isolated tooth
Batomorphi[7]	Indeterminate	Guimarota		Isolated teeth

Close

Osteichthyes

More information Osteichthyes of the Alcobaça Formation, Genus ...

Osteichthyes of the Alcobaça Formation
Genus	Species	Location	Stratigraphic Position	Material	Notes	Images
Macromesodon[7]	Indeterminate	Guimarota		Isolated teeth
Proscinetes[7]	Indeterminate	Guimarota		Isolated teeth and prearticulars
"Lepidotes"[7]	Indeterminate	Guimarota		isolated lateral teeth, lower jaws, ganoid scales and isolated skull bones	Two species of different size can be distinguished from the fossil material[7]
Ionoscopidae[7]	Indeterminate	Guimarota		Isolated teeth
Macrosemiidae[7]	Indeterminate	Guimarota		Isolated grasping tooth
Caturus?[7]	Indeterminate	Guimarota		Isolated Teeth and a partial skull
Pachycormidae[7]	Indeterminate	Guimarota

Close

Amphibians

Albanerpetontids are one of the most numerous faunal components of the Guimarota mine with around 9000 isolated remains, including parts of the skull and limbs. Remains of indeterminate salamanders and frogs are also present but far rarer.^[7]

Choristoderes

Ornithischians

Indeterminate euornithopod remains located in Lisbon District.^[5] Indeterminate stegosaurid remains present in Lisbon District.^[5]

More information Ornithischians of the Alcobaça Formation, Genus ...

Ornithischians of the Alcobaça Formation
Genus	Species	District	Stratigraphic position	Abundance	Notes	Images
Dacentrurus[5]	D. armatus[5]	Lisboa[5]
Stegosaurus[9]	S. cf. ungulatus				"...one tooth, five cervical vertebrae (including the axis), five dorsal vertebrae, cervical and dorsal ribs, three caudal vertebrae, chevrons, preacetabular process of the left ilium, right tibia, fibula, astragalus and [calcaneus], a cervical plate, and several fragments of plates."
Trimucrodon[5]	T. cuneatus[5]	Lisboa[5]			Later determined to be indeterminate ornithischian remains.[5]

Close

Saurischians

Indeterminate sauropod remains located in Leiria and Lisboa.^[10]

More information Saurischians of the Alcobaça Formation, Genus ...

Saurischians of the Alcobaça Formation
Genus	Species	District	Stratigraphic position	Abundance	Notes	Images
Allosaurus[6]	Indeterminate[11]	Guimarota		MG 27804, an isolated maxilla belonging to a hatchling individual	The ontogenetically youngest and stratigraphically oldest Portuguese Allosaurus fossil
Aviatyrannis	A. jurassica	Guimarota
Lusotitan[5]	L. atalaiensis[5]	Lisboa[5]
Ceratosaurus[5]	Indeterminate[5]	Lisboa[5]
Dinheirosaurus[5]	D. lourinhanensis[5]	Lisboa[5]		"[Two] cervicals, [nine] dorsals, ribs, limb elements."[12]
Lourinhasaurus[5]	L. alenquerensis[5]	Lisboa[5]
Megalosaurus[5]	M. insignis[5]	Lisboa[5]			Later determined to be indeterminate theropod remains.[5]

Close

Pterosaurs

More information Pterosaurs of the, Genus ...

Pterosaurs of the Alcobaça Formation
Genus	Species	Location	Stratigraphic Position	Material	Notes	Images
aff. Rhamphorhynchus[7]	Indeterminate	Guimarota		Isolated Fragments
Pterodactyloidea[7]	Indeterminate	Guimarota		Teeth

Close

Turtles

Lepidosauromorphs

More information Lepidosauromorphs of the Alcobaça Formation, Genus ...

Lepidosauromorphs of the Alcobaça Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Becklesius	B. hoffstetteri	Guimarota			Paramacellodid lizard
Dorsetisaurus	D. purbeckensis	Guimarota			Anguimorph lizard
Marmoretta[13]	M. drescherae	Guimarota			Basal Lepidosauromorph
Portugalophis	P. lignites	Guimarota			Stem-snake
Saurillodon	S. proraformis	Guimarota			A lizard
Saurillus	S. henkeli, cf. obtusus	Guimarota			A lizard
cf. Opisthias[14]	Indeterminate	Andrés, Pombal			A rhynchocephalian

Close

Crocodyliformes

More information Crocodyliformes of the Alcobaça Formation, Genus ...

Crocodyliformes of the Alcobaça Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Goniopholis	G. baryglyphaeus	Guimarota			A goniopholidid
Knoetschkesuchus	K. guimarotae	Guimarota			An atoposaurid
Lisboasaurus	L. mitracostatus	Guimarota
Machimosaurus	M. hugii	Guimarota			A marine machimosaurid

Close

Mammals

More information Mammals of the Alcobaça Formation, Genus ...

Mammals of the Alcobaça Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Bathmochoffatia	B. hapax	Guimarota			A paulchoffatiid multituberculate
Bernardodon	B. sp, B. atlanticus	Porto Pinheiro			A pinheirodontid multituberculate
Drescheratherium	D. acutum	Guimarota			A paurodontid dryolestidan
Dryolestes	D. leirensis	Guimarota			A dryolestid dryolestidan
Ecprepaulax	E. anomala	Porto Pinheiro			A pinheirodontid multituberculate
Guimarotodon	G. leiriensis	Guimarota			A paulchoffatiid multituberculate
Guimarotodus	G. inflatus	Guimarota			A dryolestid dryolestidan
Haldanodon	H. exspectatus	Guimarota			A docodont
Henkelodon	H. naias, H. sp	Guimarota			A paulchoffatiid multituberculate
Henkelotherium	H. guimarotae	Guimarota			A dryolestidan
Iberodon	I. quadrituberculatus	Porto Pinheiro			A pinheirodontid multituberculate
Kielanodon	K. hopsoni	Guimarota			A paulchoffatiid multituberculate
Krebsotherium	K. lusitanicum	Guimarota			A dryolestid dryolestidan
Kuehneodon	K. guimarotensis, K. dietrichi, K. simpsoni, K. uniradiculatus, K. sp	Guimarota			A paulchoffatiid multituberculate
Laolestes	L. andresi	Porto Pinheiro			A dryolestid dryolestidan
Meketibolodon	M. robustus	Guimarota			A paulchoffatiid multituberculate
Meketichoffatia	M. krausei, M. sp	Guimarota			A paulchoffatiid multituberculate
Nanolestes	N. krusati	Porto Pinheiro			A cladotherian
	N. drescherae	Guimarota
Paulchoffatia	P. delgadoi	Guimarota			A paulchoffatiid multituberculate
Pinheirodon	P. sp, P. vastus, P. pygmaeus	Porto Pinheiro			A pinheirodontid multituberculate
Plesiochoffatia	P. thoas, P. peperethos	Guimarota			A paulchoffatiid multituberculate
Portopinheirodon	P. asymmetricus	Porto Pinheiro			A dryolestid dryolestidan
Priacodon	Indeterminate	Porto Pinheiro			A triconodontid
Proalbionbaatar	P. plagiocyrtus	Guimarota			A multituberculate of uncertain placement
Pseudobolodon	P. dryas, P krebsi, P. oreas	Guimarota			A paulchoffatiid multituberculate
Renatodon	R. amalthea	Guimarota			A paulchoffatiid multituberculate
? Tinodon	Indeterminate	Porto Pinheiro			A tinodontid symmetrodont
Xenachoffatia	X. oinopion	Guimarota			A paulchoffatiid multituberculate
Paulchoffatiidae	Indeterminate	Guimarota			4 distinct genera with 7 species
Pinheirodontidae	Indeterminate	Porto Pinheiro

Close

Ostracods

Mollusca

Bivalves

More information Bivalves of the, Genus ...

Bivalves of the Alcobaça Formation
Genus	Species	Location	Stratigraphic Position	Material	Notes	Images
Isognomon[7]	I. rugosus	Guimarota		Dozens of well preserved shells sometimes making up entire stratigraphic layers	This genus is regarded as an indicator for brachyhaline water conditions and it was likely buried in its natural habitat[7]
"Unio"	"U." cf. alcobacensis	Guimarota		Dozens of well preserved shells with articulated valves	freshwater clam

Close