PBDB Collection

Lachman Crags Member- Santa Marta Formation (Cretaceous to of Antarctica)

Where: Antarctica (63.9° S, 58.0° W: paleocoordinates 61.7° S, 68.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lachman Crags Member (Santa Marta Formation), Santonian to Santonian (86.3 - 72.1 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; lithified, muddy mudstone and lithified, silty siltstone

• It is interpreted as a sub-storm wave base, mid to outer shelf deposit (Pirrie 1989, Crame et al. 1991).

• Comprises interbedded sandstones, silt-stones, mudstones, accretionary lapilli, with rare conglomerates and coquinas and abundant early diagenetic concretions (Crame et al. 1991).

Size class: microfossils

• Other: Palynomorphs

Preservation: soft parts, original sporopollenin

Reposited in the BGS

Collection methods: bulk, chemical, hydrochloric, hydroflouric,

Primary reference: J. M. Keating. 1992. Palynology of the Lachman Crags Member, Santa Marta Formation (Upper Cretaceous) of north-west James Ross Island. Antartic Science 4(3):293-304 [C. Jaramillo/P. Santamarina]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 150509: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 09.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Isabelidiniurn acuminatum, Isabelidiniurn cf. belfastense, Isabelidiniurn glabrum, Forarninisporis dailyi Isabelidiniurn acuminatum Isabelidiniurn cf. belfastense Isabelidiniurn glabrum Forarninisporis dailyi
Alisporites
-	Alisporites similis, Alisporites grandis Alisporites similis Dettmann 1963 Alisporites grandis Dettmann 1963
Pteridopsida
-	Osmundacidites wellmannii, Cyathidites punctatus, Cyathidites australis, Cyathidites minor, Ischyosporites volkheimeri Osmundacidites wellmannii Reyre 1973 Cyathidites punctatus Delcourt et al. 1963 Cyathidites australis Couper 1953 Cyathidites minor Couper 1953 Ischyosporites volkheimeri Filatoff 1975
Foveogleicheniidites confossus
-	Foveogleicheniidites confussus Foveogleicheniidites confussus Burger 1975
Polypodiopsida
-	Biretisporites spectabilis Biretisporites spectabilis Dettmann 1963
- Blechnaceae	Leptolepidites verrucatus Leptolepidites verrucatus Couper 1953
- Polypodiaceae	Laevigatosporites ovatus Laevigatosporites ovatus Wilson and Webster 1946
- Dicksoniaceae	Cyatheacidites archangelskii, Cyatheacidites annulatus, Trilites tuberculiformis Cyatheacidites archangelskii Dettmann 1986 Cyatheacidites annulatus Cookson 1947 Trilites tuberculiformis Cookson 1947
- Osmundaceae	Baculatisporites comaurnensis Baculatisporites comaurnensis
- Gleicheniaceae	Clavifera triplex, Gleicheniidites circinidites Clavifera triplex Bolkhovitina 1966 Gleicheniidites circinidites Dettmann 1963
Schizaeales - Polypodiidae	Klukisporites scaberis Klukisporites scaberis Dettmann 1963

Coniferales - Podocarpaceae	Lygistepollenites balmei, Podocarpidites ellipticus, Microcachryidites "sp.", Microcachryidites antarcticus, Podosporites microsaccatus, Phyllocladidites mawsonii, Dacrycarpites australiensis Lygistepollenites balmei Stover and Evans 1973 podocarp Podocarpidites ellipticus Cookson 1947 podocarp Microcachryidites "sp." Cookson 1947 podocarp Microcachryidites antarcticus Couper 1953 podocarp Podosporites microsaccatus Dettmann 1963 podocarp Phyllocladidites mawsonii Cookson 1947 podocarp Dacrycarpites australiensis Cookson and Pike 1953 podocarp
Angiospermae
Fagales -	Nothofagidites "spp." Nothofagidites "spp." Potonié 1960
Proteales -	Peninsulapollis "spp." Peninsulapollis "spp." Dettmann and Jarzen 1988
Proteales - Proteaceae	Proteacidites "spp." Proteacidites "spp." Cookson and Couper 1953
Mesangiosperms - Liliaceae	Liliacidites "spp." Liliacidites "spp." Couper 1953
Chloranthales - Chloranthaceae	Clavatipollenites "spp." Clavatipollenites "spp." Couper 1958
Marchantiopsida
- Marchantiidae	Triporoletes simplex Triporoletes simplex Playford 1971
Sphaerocarpales -	Aequitriradites spinulosus Aequitriradites spinulosus Cookson and Dettmann 1958
Bryopsida
-	Stereisporites antiquasporites Stereisporites antiquasporites Dettmann 1963
Equisetopsida
Cupressales - Pinidae	Inaperturopollenites "spp." Inaperturopollenites "spp." Potonié 1966
Pinidae - Pinidae	Araucariacites australis Araucariacites australis Cookson 1947
Anthocerotidae - Anthocerotidae	Foraminisporis asymmetricus Foraminisporis asymmetricus Dettmann 1963
Lycopodiopsida
Selaginellales -	Densoisporites velatus, Ceratosporites equalis Densoisporites velatus Dettmann 1963 clubmoss Ceratosporites equalis Cookson and Dettmann 1958 clubmoss
Selaginellales - Selaginellaceae	Neoraistrickia truncata Neoraistrickia truncata Potonié 1956 spikemoss
Lycopodiales -	Retitriletes austroclavatidites Retitriletes austroclavatidites Döring et al. 1963 clubmoss
Ginkgoopsida
Caytoniales -	Vitreisporites pallidus Vitreisporites pallidus Nilsson 1958
Prasinophytae
-	Tasmanites "spp." Tasmanites "spp." Newton 1875
Schizosporis reticulatus
-	Schizosporis cf. reticulatus Schizosporis cf. reticulatus Cookson and Dettmann 1959

Life -	Cymatiosphaera "spp.", Cyclopsiella "spp.", Micrhystridium "spp." Cymatiosphaera "spp." Wetzel 1933 acritarchs Cyclopsiella "spp." Drugg and Loeblich 1967 acritarchs Micrhystridium "spp." Deflandre 1937 acritarchs
Dinoflagellata -	Palambages "Form A", Palambages "Form C", Callaiosphaeridium asymrnetricum, Canninginopsis "sp. I", Canninginopsis colliveri Palambages "Form A" Wetzel 1961 Palambages "Form C" Wetzel 1961 Callaiosphaeridium asymrnetricum Clarke and Verdier 1967 Canninginopsis "sp. I" Cookson and Eisenack 1962 Canninginopsis colliveri Backhouse 1988
Dinophyceae
Peridiniales - Deflandreaceae	? Palaeocystodinium rhomboides, Spinidinium "spp.", Spinidinium lanterna, Spinidinium echinoideum ? Palaeocystodinium rhomboides Lentin and Williams 1973 Spinidinium "spp." Cookson and Eisenack 1962 Spinidinium lanterna Cookson and Eisenack 1970 Spinidinium echinoideum Lentin and Williams 1976 subsp. rhombicum
Peridiniales - Peridiniaceae	? Subtilisphaera ventriosa, Maduradinium pentagonum, Maduradinium "sp. I", Trithyrodinium vermiculaturn, Trithyrodinium suspectum, Eucladinium cf. madurense, Eucladinium cf. spinosissimum, ? Manumiella cretacea, Manumiella lata, Chatangiella tripartita, Chatangiella cf. multispinosa, Chatangiella serratula, Alterbidinium minus, Isabelidinium "spp.", Isabelidinium cooksoniae, Isabelidinium thomasii, Isabelidinium cf. microarmum, Isabelidinium belfastense, Hexagonifera glabra, Palaeohystrichophora infusorioides ? Subtilisphaera ventriosa Jain and Millepied 1971 Maduradinium pentagonum Maduradinium "sp. I" Cookson and Eisenak 1970 Trithyrodinium vermiculaturn Trithyrodinium suspectum Davey 1969 Eucladinium cf. madurense Stover and Evitt 1978 Eucladinium cf. spinosissimum Stover and Evitt 1978 ? Manumiella cretacea Bujak and Davies 1983 Manumiella lata Bujak and Davies 1983 Chatangiella tripartita Lentin and Williams 1976 Chatangiella cf. multispinosa Lentin and Williams 1976 Chatangiella serratula Lentin and Williams 1976 Alterbidinium minus Lentin and Williams 1985 Isabelidinium "spp." Lentin and Williams 1977 Isabelidinium cooksoniae Lentin and Williams 1977 Isabelidinium thomasii Lentin and Williams 1976 Isabelidinium cf. microarmum Lentin and Williams 1977 Isabelidinium belfastense Lentin and Williams 1976 Hexagonifera glabra Cookson and Eisenack 1961 Palaeohystrichophora infusorioides Deflandre 1936
Peridiniales - Protoperidiniaceae	Lejeunecysta "sp." Lejeunecysta "sp." Artzner and Dörhöfer 1978
-	Exochosphaeridium phragmites Exochosphaeridium phragmites Davey 1966
Ptychodiscales - Ptychodiscaceae	Dinogymnium nelsonense, Dinogymnium westralium, Dinogymnium euclaense Dinogymnium nelsonense Evitt et al. 1967 Dinogymnium westralium Evitt 1967 Dinogymnium euclaense Cookson and Eisenack 1970
-	Xenikoon australis, Tenua hystrix, Diconodinium pusillum, Spiniferites ramosus, Prolixosphaeridium parvispinum, Prolixosphaeridium cf. inequiornatum, Nelsoniella semireticulafa, Nelsoniella "sp. I", Nelsoniella aceras, Nelsoniella tuberculata, Palaeotetradinium silicorum Xenikoon australis Cookson and Eisenack 1960 Tenua hystrix Eisenack 1958 Diconodinium pusillum Singh 1971 Spiniferites ramosus Lentin and Williams 1973 Prolixosphaeridium parvispinum Davey 1969 Prolixosphaeridium cf. inequiornatum Stover and Helby 1987 Nelsoniella semireticulafa Nelsoniella "sp. I" Cookson and Eisenack 1960 Nelsoniella aceras Cookson and Eisenack 1960 Nelsoniella tuberculata Cookson and Eisenack 1960 Palaeotetradinium silicorum Deflandre 1936
Gonyaulacales - Goniodomaceae	Hystrichosphaeridium paracostatum Hystrichosphaeridium paracostatum Cookson and Eisenack 1974
Gonyaulacales -	Heslertonia striata Heslertonia striata Eisenack and Cookson 1960
Gonyaulacales - Hystrichosphaeridiaceae	Conosphaeridium striatoconus Conosphaeridium striatoconus
Gonyaulacales - Cladopyxiaceae	Microdinium "sp." Microdinium "sp." Cookson and Eisenack 1960
Gonyaulacales - Areoligeraceae	Canningia "sp. I", Canningia scabrosa, Circulodinium distinctum, Cyclonephelium compactum Canningia "sp. I" Cookson and Eisenack 1960 Canningia scabrosa Cookson and Eisenack 1970 Circulodinium distinctum Jansonius 1986 subsp. distinctum & subsp. longispinatum Cyclonephelium compactum Deflandre and Cookson 1955
Gonyaulacales - Gonyaulacaceae	Heterosphaeridium "sp.", Heterosphaeridium dificile, ? Heterosphaeridium heteracanthum, Heterosphaeridium conjunctum, Pterodinium cingulatum, Oligosphaeridium complex, Oligosphaeridium pulcherrimum, Cassiculosphaeridia "sp. I", Kiokansium polypes, ? Scriniodinium cf. ceratophorum, Cribroperidinium cooksoniae Heterosphaeridium "sp." Cookson and Eisenack 1969 Heterosphaeridium dificile Ioannides 1986 ? Heterosphaeridium heteracanthum Eisennack and Kjellström 1972 Heterosphaeridium conjunctum Cookson and Eisenack 1968 Pterodinium cingulatum Below 1981 Oligosphaeridium complex Davey and Williams 1966 Oligosphaeridium pulcherrimum Davey and Williams 1966 Cassiculosphaeridia "sp. I" Davey 1969 Kiokansium polypes Below 1982 ? Scriniodinium cf. ceratophorum Cookson and Eisenack 1960 Cribroperidinium cooksoniae Norvick 1976
Gonyaulacales -	Cleistosphaeridium armatum Cleistosphaeridium armatum Davey 1969
Gonyaulacales - Ceratiaceae	Odontochitina "sp. I", Odontochitina "sp. II", Odontochitina cribropoda, Odontochitina porifera, Odontochitina operculata, Odontochitina singhii, Odontochitina costata, Xenascus australensis Odontochitina "sp. I" Deflandre 1935 Odontochitina "sp. II" Deflandre 1935 Odontochitina cribropoda Deflandre and Cookson 1955 Odontochitina porifera Cookson 1956 Odontochitina operculata Deflandre 1935 Odontochitina singhii Morgan 1980 Odontochitina costata Alberti 1961 Xenascus australensis Cookson and Eisenack 1969
Amphidiadema denticulata
-	Amphidiadema denticulata Amphidiadema denticulata Cookson and Eisenack 1960
Amphidiadema
-	Amphidiadema rectangularis Amphidiadema rectangularis Lentin and Williams 1976
Tunyosphaeridium isocalamus
-	Tunyosphaeridium isocalamus Tunyosphaeridium isocalamus Davey and Williams 1966
Australisphaera verrucosa
-	Australisphaera verrucosa Australisphaera verrucosa Davey 1978
Perotriletes
-	Perotriletes majus, Perotriletes laceratus Perotriletes majus Perotriletes laceratus