kingom field missing in response

[fares-ipgp]

According to documentation:

https://paleobiodb.org/data1.2/taxa/single_doc.html

There should be a "kingom" field in the response:
kingdom: The name of the kingdom in which this taxon occurs

query:
https://paleobiodb.org/data1.2/taxa/single.json?taxon_name=Anthozoa&show=full&vocab=pbdb&exact

response:
{
"elapsed_time":0.00137,
"records": [
{"orig_no":"4742","taxon_no":"4742","record_type":"txn","taxon_rank":"class","taxon_name":"Anthozoa","accepted_no":"4742","accepted_rank":"class","accepted_name":"Anthozoa","parent_no":"4524","reference_no":"6930","is_extant":"extant","n_occs":66690,"early_interval":"Phanerozoic","taxon_size":10331,"extant_size":931,"phylum":"Cnidaria","class":"Anthozoa","motility":"stationary, attached","life_habit":"intermediate-level epifaunal","vision":"blind","diet":"microcarnivore","ecospace_comments":"ECOSPACE CODE: 261"}
]
}