Speckhals quarry, Deister Mountains, Springe, peri-reefal facies (Jurassic of Germany)

Also known as Reef 3219

Where: Niedersachsen, Germany (52.3° N, 9.6° E: paleocoordinates 43.4° N, 17.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: florigemma bank Member (Korallenoolith Formation), Middle Oxfordian (161.2 - 155.7 Ma)

• data from ca. 2 m thick horizon

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified wackestone and lithified packstone

• poorly bedded limestones (wackestone/packstone to floatstone)

Size classes: macrofossils, mesofossils, microfossils

Collection methods: peel or thin section,

Primary reference: C. Helm and I. Schülke. 2006. Patch reef development in the florigemma-bank member (Oxfordian) from the Deister Mts (NW Germany): a type example for Late Jurassic coral thrombolite thickets. Facies 52:441-467 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 98352: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.10.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Rhodophyceae
  - Solenoporaceae
Chlorophyceae
 Dasycladales -
Terquemella sp. Morellet and Morellet 1913
Foraminifera
  -
 Loftusiacea - Hottingeritidae
Alveosepta sp. Hottinger 1967
 Loftusiacea - Cyclamminidae
 Ataxophragmiacea - Globotextulariidae
 Lituolacea - Mayncinidae
 Hormosinacea - Hormosinidae
Reophax sp. Montfort 1808
 Lituolida - Lituolidae
  -
Nodosariata
 Vaginulinida - Vaginulinidae
Lenticulina sp. Lamarck 1804
 Nodosariida - Nodosariidae
Nodosaria "sp. 1" Lamarck 1812
Nodosaria "sp. 2" Lamarck 1812
cf. Citharina sp. d'Orbigny 1839
Globothalamea
 Rotaliida - Discorbidae
Foraminifera
 Fusulinina - Earlandiidae
Demospongiae
  -
Anthozoa
 Scleractinia - Montlivaltiidae
"Thecosmilia cf. trichotoma" = Thecosmilia densa
"Thecosmilia cf. trichotoma" = Thecosmilia densa Fromentel 1870 stony coral
 Scleractinia - Latomeandridae
Microphyllia brevivallis Becker 1875 stony coral
Microphyllia thurmanni Etallon 1864 stony coral
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Polychaeta
 Sabellida - Serpulidae
Rhynchonellata
 Rhynchonellida - Cyclothyrididae
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Pectinida - Limidae
Plagiostoma sp. Sowerby 1814 file clam
 Pectinida - Pectinoidae
Chlamys sp. Röding 1798 scallop
 Myalinida - Inoceramidae
Inoceramidae indet. Giebel 1852 clam
Gastropoda
 Heterostropha - Nerineidae
 Sorbeoconcha - Aporrhaidae
Aporrhaidae indet. Gray 1850 snail
 Cerithioidea - Cerithiidae
 Trochoidea - Nododelphinulidae
cf. Metriomphalus sp. Cossmann 1916 snail
unclassified
  -
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin