Propterus elongatus WAGNER, 1863

Taxonomy

Coral Reef Fish

Kingdom: Animalia
Phylum: Chordata
Class: Actinopteri Cope 1871
Order: Semionotiformes Arambourg and Bertin 1958
Family: Macrosemiidae Thiollière 1858
Genus: Propterus
Species: Propterus elongatus
Author Citation WAGNER, 1863

Geological Time Scale

Eon: Phanerozoic
Era: Mesozoic
Period: Jurassic
Sub Period: None
Epoch: Late
International Age: Tithonian

Stratigraphy

Weissjura Group
Solnhofen Formation

Biostratigraphy

Hybonoticeras hybonotum Zone
Subplanites rueppelianus Subzone

Provenance

Acquired by: Purchase/Trade

Dimensions

Length: 21 cm

Location

Eichstätt
Bavaria
Germany

• eichstätt
• jurassic
• macrosemiiformes
• tff-oilshale-ch821
• tithonian

Comments

Several Late Jurassic macrosemiids are known from the Solnhofen limestones, including at least Notagogus, Histionotus, Voelklichthys and two species of Propterus.: P. elongatus and P. microstomus.

Diagnosis from Bartram 1977, p.168: "Propterus reaching standard length of 130 mm; mean proportions as percentages of
standard length: head length 34 %, trunk depth 36 %, predorsa] length 42 %, prepelvic length 58 %, preanal length 79 %; fin—ray counts: D(ant.) 14-16, D(post.) 14-16, P 17, V 6, A 5, C 14-15; about 37 lateral line scales; scales thin with large serrations; two lobes of dorsal fin very close together; outline of anterior dorsal convex; fulcra absent from posterior dorsal; caudal fin-rays bifurcating a maximum of twice.

Line drawing from Bartram 1977, p. 169:

Identified by oilshale using Bartram, 1977.

References:
Bartram, A.W.H. (1977) The Macrosemiidae, a Mesozoic family of Holostean fishes. Bulletin of the British Museum of Natural History (Geology), 29, 137-234.
Gloria Arratia and Hans-Peter Schultze (2012): The macrosemiiform fish companion of the Late Jurassic theropod Juravenator from Schamhaupten, Bavaria, Germany. Fossil Record 15 (1) 2012, 5–25 / DOI 10.1002/mmng.201200001.