30418 - Beautiful 0.19 Inch Delgadella cf. souzai Lower Cambrian Trilobite - Morocco Graptolites Ptychagnostus leptus
Yard notes & kiln story
Description
Ptychagnostus leptus
Novak 1890 (trilobite)
masses ranging from <1 to 500 kg have been found in a strewnfield >45 km long
See also Antunes 1964
Rooted extremely huge incisor specimen
30418 - Beautiful 0.19 Inch Delgadella cf. souzai Lower Cambrian Trilobite - Morocco Graptolites Ptychagnostus leptusDelgadella, Walcott 1908 (trilobite) Trilobita Agnostida Hebediscidae PaleoDB taxon number: 19208 Synonym: Pagetiellus Lermontova 1940 (taxon 155702) Parent taxon: Hebediscidae according to H. B. Whittington et al. 1997 See also Jell and Adrain 2002 and Sepkoski 2002 Sister taxa: Hebediscus, Limbadiscus, Luvsanodiscus, Neopagetina, Parapagetia, Tchernyshevioides Subtaxa: none Ecology: slow moving epifaunal detritivore Environments: carbonate (all