Where: New Castle County, Delaware (39.6° N, 75.6° W: paleocoordinates 40.1° N, 51.3° W)
• coordinate estimated from map
When: Mount Laurel Formation (Monmouth Group), Early/Lower Maastrichtian (70.6 - 66.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; medium-grained, glauconitic, brown, green, red, white, silty, sandy quartzite
•l i thology and fos s i l s indi c a t e tha t i t wa s depos i t ed
•dur ing a s l ight r egr e s s ion
Size class: macrofossils
Primary reference: E. M. Lauginiger and E. F. Hartstein. 1983. A guide to fossil sharks, skates, and rays from the Chesapeake and Delaware Canal area, Delaware. Open File Report - Delaware Geological Survey 21:1-63 [M. Uhen/M. Shalap/M. Shalap]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 126811: authorized by Mark Uhen, entered by Margaret Shalap on 18.04.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
"Cretolamna appendiculata" = Cretalamna appendiculata
"Cretolamna appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark Cretolamna appendiculata pachyrhiza
| |
"Odontaspis samhammeri" = Carcharias samhammeri
"Odontaspis samhammeri" = Carcharias samhammeri Cappetta and Case 1975 sand shark | |
Squalicorax kaupi Agassiz 1843 crow shark
Squalicorax pristodontus Agassiz 1835 crow shark | |
Ischyrhiza mira Leidy 1856 ray |