Property talk:P6042

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Echinoid Directory ID
identifier for a taxon on the Echinoid Directory website

Applicable "stated in" value	Echinoid Directory (Q57687518)
Data type	External identifier
Corresponding template	no label (Q25901095)
Domain	taxon (Q16521)
Allowed values	[1-9]\d*
Example	Biarritzella (Q57687669) → 2322 Opissaster cotteri (Q57687710) → 2670 Waurnia (Q57687745) → 489
Source	http://www.nhm.ac.uk/our-science/data/echinoid-directory/taxa/search.jsp?search=
Formatter URL	http://www.nhm.ac.uk/our-science/data/echinoid-directory/taxa/taxon.jsp?id=$1
Tracking: usage	Category:Pages using Wikidata property P6042 (Q58002446)
Related to country	United Kingdom (Q145) (See 329 others)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Mix'n'match (Report) Database reports/Constraint violations/P6042 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,504 Main statement 1,501 out of 2,511 (60% complete) 99.8% of uses Qualifier 3 0.2% of uses
Search for values

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Type “taxon (Q16521)”: item must contain property “instance of (P31)” with classes “taxon (Q16521)” or their subclasses (defined using subclass of (P279)). (Help)

List of violations of this constraint: Database reports/Constraint violations/P6042#Type Q16521, hourly updated report, SPARQL

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P6042#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P6042#Unique value, SPARQL (every item), SPARQL (by value)

Format “[1-9]\d*”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P6042#Format, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P6042#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P6042#Scope, SPARQL