Biogeography - mapping of Neptune Occurrences

Alternatives - space-time plot ::Range chart plot
Fossil Group: Taxon to plot:
Age min: Age max: Lat max/N: Lat min/S:
Species threshold: Age anomaly threshold:
Taxon plotted: Pontosphaera enormis

Basemap is plate-reconstruction from 40Ma (Bartonian), produced using GPlates2.1. Flat blue colour indicates subducted ocean crust, and so areas from which fossil assemblages cannot be recovered.
The palaeolatitudes and longitudes of the sites were calculated separately and there are some discrepancies.
Symbols - all sites with samples in the time interval are plotted as circles, the opacity of the red fill is proportional to % of samples with the taxon. Hover over symbol for caption.

List of sites with samples in the age/latitude bin.
samples - number of samples at the site in the age interval; ocs - number of these samples with the taxon; %freq = ocs/samples*100.
List is sorted by paleolatitude:
nhole leg site p_lat p_long samples ocs %freq
0152_918D15291859.82-22.52200
1152_915A15291559.06-30.16400
2105_647A10564749.93-34.4916700
3145_883B14588344.36-156.53000
494_6089460840.22-262300
5342_1408A342140838.5-32.25800
647_398D4739838.39-11.287600
7342_1407A342140737.79-32.233100
8342_1406A342140637.66-38.925700
9342_1409A342140937.65-32.093400
10342_1410A342141037.65-34.114700
11342_1405A342140537.45-46.072100
1293_6059360537.21-53.855300
13173_1067A173106736.92-12.517300
14173_1069A173106936.57-12.284300
15342_1404A342140436.47-42.21500
16173_1068A173106835.87-12.148400
1795_6129561235.51-58.439600
1882_5588255834.54-31.254700
1982_5638256330.67-37.514200
20198_1208A198120830.1-175.62800
21160_967E16096729.0427.742300
22171_1052A171105228.03-67.358100
23198_1209A198120927.78-163.263000
24198_1209C198120927.22-161.561900
25198_1210B198121027.03-162.213400
26198_1211C198121126.95-163.11500
27198_1211A198121126.19-162.292400
28198_1209B198120926.08-162.92200
29198_1210A198121025.82-162.323100
3086_5778657725.73-162.292700
3177_538A7753823.36-70.976500
32198_1211B198121123.33-163.88700
3377_5407754022.59-72.734300
34125_786A12578620.42134.753500
3531_2963129618.9130.911400
3658_4455844515.65135.236800
3760_459B6045915.06170.932200
3859_448594488.68139.62600
39143_869A1438696.18-169.94100
4039_354393543.42-30.584400
4161_462614623.14-161.493300
42159_959A1599590.5-5.981800
43159_960C1599600.14-6.31300
4485_574C85574-1.41-111.29900
45115_714A115714-2.4566.67600
46159_961A159961-3.16-8.75200
477_63763-3.76157.79600
4822_21722217-4.4383.06700
4985_573B85573-4.73-111.421300
50115_711A115711-5.158.065500
517_64A764-5.36176.98900
527_64764-5.6178.13300
5330_28930289-6.35179.862100
54115_710A115710-6.7457.93600
55115_709C115709-6.7957.19500
5622_21622216-8.7283.341400
57115_707A115707-9.9956.14900
58115_707C115707-11.7454.714400
59115_713A115713-16.3758.953500
6040_36340363-235.525300
61123_765C123765-27.99110.612414
6273_52273522-29.24-9.156100
6339_35639356-30.49-27.693800
64122_762B122762-31.73104.55100
65208_1266A2081266-31.77-1.451200
66208_1264B2081264-31.9-1.12500
67208_1266C2081266-31.93-1.68700
68208_1264A2081264-32.14-1.47300
6974_525A74525-32.26-0.731000
70208_1267B2081267-32.27-3.81600
71208_1267A2081267-32.31-4.04700
72208_1263C2081263-33-4.11000
73208_1262A2081262-34.06-7.59400
74208_1262C2081262-34.07-7.64100
75208_1262B2081262-34.08-7.66100
76208_1266B2081266-35.09-6.48200
7790_588C90588-35.72159.7618211
7873_52473524-36.51-5.76500
79122_762C122762-38.08100.2518621
80123_766A123766-40.5996.571700
81177_1090B1771090-46.834.4526200
8290_59290592-48.62169.152000
8371_513A71513-49.02-13.755000
8490_59390593-49.08173.973400
85114_703A114703-51.322.434200
86120_747A120747-52.3275.465400
87120_747C120747-52.3375.251800
88114_699A114699-53.25-13.818800
89189_1168A1891168-53.81144.162100
90189_1172A1891172-54.85152.842700
91120_748C120748-55.9775.721500
92120_748B120748-56.6277.7713600
93120_749B120749-56.7675.255600
9429_28129281-58.96148.76200
95113_689B113689-64.093.787500
96113_690B113690-64.822.136900

The table below lists all occurrence records that meet the search criteria.
The Leg entries are linked to the contents pages for the DSDP/ODP scientific results volume for the Leg. This is the most likely source of the data, except for the most recent legs where resuts may have been published in regular scientific journals - see also source ref.
ab - abundance of the taxon inthe sample; p-lat & p-long - paleolatitude and paleolongitude
N species - number of speices in sample; anomaly score - proportion of taxa which are within range.
nLeg source ref Hole core section cm depth ab sample age p-lat p-long flag N species anomaly score original_id taxon
0122...122_762C290177.35R3181334.3978-38.15100.15240.958Pontosphaera enormisPontosphaera enormis
1122Siesser, W.G., ...1992122_762C2990179.50R3618434.4709-38.18100.11260.962Pontosphaera enormisPontosphaera enormis
2123Moran, Michael ...1992123_765C19111521.41R6486844.4169-37.38104.54350.686Pontosphaera enormisPontosphaera enormis
390Martini, E. ...198690_588C1330423.90R942824.0980-36.06159.49231.000Discoaster enormisPontosphaera enormis
490Martini, E. ...198690_588C1390429.78R942924.5074-36.27159.51201.000Discoaster enormisPontosphaera enormis