measurementID occurrenceID measurementOfTaxon parentMeasurementID measurementType measurementValue measurementRemarks bibliographicCitation source referenceID 1 Araneae TRUE http://purl.obolibrary.org/obo/UBERON_0002104 https://eol.org/schema/terms/corneal_eyes principlal eyes. 1 pair; fixed lens, movable retina Morehouse NI, Buschbeck EK, Zurek DB, Steck M, Porter ML. Molecular Evolution of Spider Vision: New Opportunities, Familiar Players. Biol Bull. 2017;233(1):21-38. https://doi.org/10.1086/693977 https://www.researchgate.net/publication/320342986_Molecular_Evolution_of_Spider_Vision_New_Opportunities_Familiar_Players 1a 1 http://purl.obolibrary.org/obo/PATO_0000133 https://eol.org/schema/terms/everse 2 1 https://eol.org/schema/terms/starts_at 166 3 1 http://purl.obolibrary.org/obo/PATO_0000140 anterior-median 4 1 https://eol.org/schema/terms/stops_at 1196357 5 1 https://eol.org/schema/terms/stops_at 1182424 6 1 https://eol.org/schema/terms/stops_at 31709305 7 1 https://eol.org/schema/terms/stops_at 1191867 8 1 https://eol.org/schema/terms/stops_at 1191933 9 1 https://eol.org/schema/terms/stops_at 1191957 10 1 https://eol.org/schema/terms/stops_at 31933575 11 1 https://eol.org/schema/terms/stops_at 1201027 12 1 https://eol.org/schema/terms/stops_at 1184618 13 1 https://eol.org/schema/terms/stops_at 1184583 14 1 https://eol.org/schema/terms/stops_at 181 15 1 https://eol.org/schema/terms/stops_at 185 16 Araneae TRUE http://purl.obolibrary.org/obo/UBERON_0002104 https://eol.org/schema/terms/corneal_eyes secondary eyes. 3 pairs; fixed lens, fixed retina Morehouse NI, Buschbeck EK, Zurek DB, Steck M, Porter ML. Molecular Evolution of Spider Vision: New Opportunities, Familiar Players. Biol Bull. 2017;233(1):21-38. https://doi.org/10.1086/693977 https://www.researchgate.net/publication/320342986_Molecular_Evolution_of_Spider_Vision_New_Opportunities_Familiar_Players 16a 16 http://purl.obolibrary.org/obo/PATO_0000133 https://eol.org/schema/terms/inverse 17 16 https://eol.org/schema/terms/starts_at 166 18 16 http://purl.obolibrary.org/obo/PATO_0000140 posterior-median, and lateral 19 16 https://eol.org/schema/terms/stops_at 1196357 20 16 https://eol.org/schema/terms/stops_at 1182424 21 16 https://eol.org/schema/terms/stops_at 31709305 22 16 https://eol.org/schema/terms/stops_at 1191867 23 16 https://eol.org/schema/terms/stops_at 1191933 24 16 https://eol.org/schema/terms/stops_at 1191957 25 16 https://eol.org/schema/terms/stops_at 31933575 26 16 https://eol.org/schema/terms/stops_at 1201027 27 16 https://eol.org/schema/terms/stops_at 1184618 28 16 https://eol.org/schema/terms/stops_at 1184583