Tag Archive for 'Cartilaginous fish'

Life reconstruction of the hybodontiform shark Strophodus rebecae. Image credit: Jorge Blanco / CC BY 4.0.

New Species of Fossil Hybodontiform Shark Identified in Japan

Jun 4, 2024 by Enrico de Lazaro

Paleontologists in Japan have described a new species of shark-like cartilaginous fish based on the fossilized teeth from the Late Triassic Momonoki Formation. The...

The cartilage of the little skate (Leucoraja erinacea) is stained with Alcian blue, the bones with Alizarin red. Image credit: David Gold, Lynn Kee & Meghan Morrissey / MBL Embryology Course.

Genome of Enigmatic Little Skate Sequenced

Apr 12, 2023 by News Staff

Skates are cartilaginous fish whose body plan features enlarged wing-like pectoral fins, enabling them to thrive in benthic environments. However, the...

Reconstruction of Maghriboselache mohamezanei in its habitat. Thylacocephalans, cephalopods with orthoconic conchs, placoderms such as Dunkleosteus and osteichthyans populated the water column during the middle Famennian in the Anti-Atlas of Morocco. Image credit: Klug et al., doi: 10.1186/s13358-023-00266-6.

Devonian Shark-Like Fish Had Unique Sensory Specialization

Apr 3, 2023 by Enrico de Lazaro

Paleontologists have described a new genus and species of broad-snouted chondrichthyan fish from several fossilized specimens found in Morocco. Reconstruction...

Environmental reconstruction of the Solnhofen Archipelago, showing Protospinax annectans in association with the Late Jurassic ray Asterodermus platypterus. Image credit: Jambura et al., doi: 10.3390/d15030311.

Paleontologists Redescribe Enigmatic Jurassic Shark Species

Mar 1, 2023 by Enrico de Lazaro

Paleontologists from the University of Vienna and elsewhere have revised a controversial species of the elasmobranch Protospinax annectans based on new...

Extant Chimaera monstrosa. Image credit: MAREANO / Havforskingsinstituttet / CC BY-SA 4.0.

Carboniferous-Period Chimaeras Were Suction Feeders, New Study Suggests

Jan 17, 2023 by News Staff

Suction is an especially effective way of feeding underwater, and adaptations to enhance it have evolved numerous times in jawed vertebrates. The only...

Dermal denticles on the tail of the little skate (Leucoraja erinacea). Image credit: Andrew Gillis, University of Cambridge.

Vertebrate Teeth Evolved from Ancient Fish Scales, Researchers Say

Nov 22, 2017 by News Staff

New findings from researchers at the University of Cambridge, UK, support the theory that teeth in the animal kingdom evolved from the jagged scales of...