Holzmaden, epsilon II/4, non-specific collection data (Jurassic of Germany)

Where: Baden-Württenburg, Germany (48.6° N, 9.5° E: paleocoordinates 37.8° N, 17.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Harpoceras falciferum ammonoid zone, Lias Epsilon II/4 Member (Posidonia Shale Formation), Falciferum (183.0 - 182.0 Ma)

• Lias ("Schwarzjura") epsilon II/4 (Unterer Schiefer), 22.5 cm above level II/3

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by Hauff

Collection methods: quarrying, mechanical,

Primary reference: F. Westphal. 1962. Die Krokodilier des Deutschen und Englischen Oberen Lias [The crocodiles of the German and English Upper Lias]. Palaeontographica Abteilung A 118(1-3):23-118 [R. Benson/R. Benson/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132865: authorized by Roger Benson, entered by Roger Benson on 29.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Loricata -
Pelagosaurus typus Bronn 1841 marine crocodile
MB 1925, Nr. 1 (collected by Hauff); BSP 1925 I 34
 Plesiosauria - Microcleididae
"Hydrorion brachypterygius" = Microcleidus brachypterygius1 Huene 1923 plesiosaur
MB.R.1991 (Lias e II4, Holzmaden): a complete specimen in lateral view; only the anterior part of the skull is preserved; SMNS 51143 (Lias e II4, Ohmden, near Holzmaden): a nearly complete specimen exposed in ventral view; the skull is incomplete and disarticulated; the lower jaw is complete and lying in situ at the end of the vertebral column; SMNS 51141 (Lias e II4, Holzmaden): a nearly complete juvenile specimen in dorsal view; skull in lateral view and nearly complete, with the right maxilla lying next to the skull; the mandible is dislocated; the metapodials of the fore- and hind-limbs are very small and rounded, and the first digit is scarcely developed; therefore, it is a juvenile specimen. Figured in Urlichs et al. (1994, fig. 104) as ?Microcleidus
Seeleyosaurus guilelmiimperatoris1 Dames 1895 plesiosaur
SMNS 12039, skeleton (collected by Hauff)
 Plesiosauria - Pliosauridae
Hauffiosaurus zanoni n. gen. n. sp.2
Hauffiosaurus zanoni n. gen. n. sp.2 O'Keefe 2001 plesiosaur
Hauff, uncataloged, an almost completely preserved skeleton in ventral view