Head, Martin J. and Norris, Geoffrey (2003): New species of dinoflagellate cysts and other palynomorphs from the latest Miocene and Pliocene of DSDP Hole 603C, western North Atlantic
Leg/Site/Hole:
Related Expeditions:
DSDP 93
Identifier:
ID:
2003-024468
Type:
georefid
Creator:
Name:
Head, Martin J.
Affiliation:
University of Cambridge, Department of Geography, Cambridge, United Kingdom
Role:
author
Name:
Norris, Geoffrey
Affiliation:
University of Toronto, Canada
Role:
author
Identification:
Title:
New species of dinoflagellate cysts and other palynomorphs from the latest Miocene and Pliocene of DSDP Hole 603C, western North Atlantic
Year:
2003
Source:
Journal of Paleontology
Publisher:
Paleontological Society, Lawrence, KS, United States
Volume:
77
Issue:
1
Pages:
1-15
Abstract:
Detailed investigation of the essentially complete uppermost Miocene through Lower Pleistocene sequence in Deep Sea Drilling Project (DSDP) Hole 603C, western North Atlantic, has revealed the presence of the new dinoflagellate cyst species Lejeunecysta hatterasensis, Lejeunecysta interrupta, Corrudinium devernaliae, and Pyxidinopsis vesiculata, as well as the acritarchs Leiosphaeridia rockhallensis Head new species and Leffingwellia costata new genus and species. Independent magnetobiostratigraphic control of DSDP Hole 603C constrains the ranges of these new species. Lejeunecysta interrupta n. sp. appears to range no higher than lowermost Pliocene at 5.2 Ma, Pyxidinopsis vesiculata n. sp. has a range top at about 4.5 Ma in the Lower Pliocene, Corrudinium devernaliae n. sp. has a well-defined range of 4.7-4.1 Ma within the Lower Pliocene, and Leiosphaeridia rockhallensis n. sp. has a similarly well-defined range of 4.4-3.9 Ma within the Lower Pliocene. The presence of Leiosphaeridia rockhallensis n. sp. in the Ramsholt Member of the Coralline Crag Formation, eastern England, supports an Early Pliocene age for this member.
Language:
English
Genre:
Serial
Rights:
URL:
Coverage: Geographic coordinates: North:35.2940 West:-70.0143 East:
-70.0142 South:35.2939
Keywords: Stratigraphy; acritarchs; Atlantic Ocean; biometry; biostratigraphy; Cenozoic; Corrudinium; Corrudinium devernalieae; Deep Sea Drilling Project; Dinoflagellata; DSDP Site 603; IPOD; Leffingwellia; Leffingwellia costata; Leg 93; Leg 95; Leiosphaeridia; Leiosphaeridia rockhallensis; Lejeunecysta; Lejeunecysta hatterasensis; Lejeunecysta interrupta; magnetostratigraphy; microfossils; Miocene; morphology; Neogene; North Atlantic; Northwest Atlantic; palynomorphs; Pliocene; Pyxidinopsis; Pyxidinopsis vesiculata; range; Tertiary; upper Miocene;
.