Jump to content
  • Ebertichthys ettlingensis Arratia, 2016




    Kingdom: Animalia
    Phylum: Chordata Haeckel 1874
    Class: Actinopteri Cope 1871
    Order: Ascalaboidiformes Arratia 2019
    Family: Ascalaboidae Arratia 2016
    Genus: Ebertichthys
    Species: Ebertichthys ettlingensis
    Author Citation Arratia 2016

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Jurassic
    Sub Period: None
    Epoch: Late
    International Age: Kimmeridgian (late)


    Weissjura Group
    Painten Formation


    Hybonoticeras beckeri Zone
    Lithacoceras ulmense Subzone


    Acquired by: Purchase/Trade


    Length: 80 mm


    Breitenhill (Öchsleberg)
    District of Eichstätt


    Originally it was assumed that this species was only found in Ettlingen, Bavaria. In the meantime, further specimens from other locations are known (Ebert, 2021).

    Derivation of genus name (Arratia 2016, p. 34):  'Ebertichthys is given in recognition of the dedicated work that Martin Ebert (Eichstätt) has done recently at Ettling, recovering fossil fishes and preparing them with the suffix – ichthys (Greek) for fish. M. Ebert collected the specimens described herein.'

    Diagnosis by Arratia, 2016, p 33 '(based on a unique combination of characters; uniquely derived features among primitive teleosts are identified with an asterisk [*]): Small teleosts of about 90mm maximum length with dorsal-fin origin placed posterior to pelvic origin and equidistant to pelvic and anal fins [*]. Large head, about 33% of standard length [*].
    Large eye, about 35% of head length [*]. Large, heavily ossified supraorbital bone, anteroventrally expanded. Large, elongate antorbital [*]. Infraorbital 1 long, narrow, and slightly broader anteriorly. Infraorbital 2 long and narrow, forming most of the ventral orbital margin [*]. Infraorbital 3relatively small, leaving most of quadrate exposed [*]. Elongate ectopterygoid with a small tooth patch. Entopterygoid with small conical teeth. triangular, narrow preopercle with ventral and posterior margins forming an angle of about 90_ [*]. Dorsal arm of preopercle almost reaching lateral margin of skull roof. Preopercle with an expanded, rounded flange at the level of infraorbital 3 [*]. Preopercular canal with elongate, narrow sensory tubules in ventral and dorsal arms. A massive, well-ossified cleithrum with dorsal arm shorter than ventral one [*]. First anal pterygiophore long, broadly expanded, and almost rectangular in shape [*]. Neural spine of preural centrum 1 shorter than neural spine of preural centrum 2. Ural centrum 1C2 bearing two neural arches with short spines. Eight or nine hypurals. First three anterior uroneurals longer than posterior uroneurals 4 to 6. Uroneural 1 extending anteriorly and reaching preural centrum 2. One “urodermal” present. Body covered with large cycloid scales.'

    Identified by M. Ebert, Staatliche Naturwissenschaftliche Sammlungen Bayerns.

    Arratia, G.  (2016). New remarkable Late Jurassic teleosts from southern Germany: Ascalaboidae n. fam., its content, morphology, and phylogenetic relationships. Foss. Rec., 19, 31–59, 2016. doi:10.5194/fr-19-31-2016

    Ebert, Martin (2021). Teleostei der Plattenkalke des Solnhofen-Archipels – Ein Bestimmungsschlüssel. Archaeopteryx, 37: 30 – 55.

    User Feedback

    Learning Curve


    Very cool!

    Share this comment

    Link to comment
    Share on other sites

    Create an account or sign in to comment

    You need to be a member in order to leave a comment

    Create an account

    Sign up for a new account in our community. It's easy!

    Register a new account

    Sign in

    Already have an account? Sign in here.

    Sign In Now

  • Create New...