Search returns studies it should not

[snacktavish]

curl -X POST https://api.opentreeoflife.org/cached/v3/studies/find_trees -H "content-type:application/json" -d '{"property":"ot:branchLengthTimeUnit","value":"Myr","verbose":true}' | jq > timetrees.json

Includes:
matched_studies": [
{
"ot:studyId": "ot_615",
"ot:studyPublicationReference": "Hsiu-Chin Lin, Jens T. Høeg, Yoichi Yusa, Benny K.K. Chan, 2015, 'The origins and evolution of dwarf males and habitat use in thoracican barnacles', Molecular Phylogenetics and Evolution, vol. 91, pp. 1-11",
"ot:curatorName": [
"Christine Ewers-Saucedo"
],
"ot:studyYear": 2015,
"ot:focalClade": 580066,
"ot:focalCladeOTTTaxonName": "Thoracica",
"ot:dataDeposit": "",
"ot:studyPublication": "http://dx.doi.org/10.1016/j.ympev.2015.04.026",
"ot:tag": [],
"matched_trees": [
{
"ot:treeId": "Tr76459",
"ot:studyId": "ot_615",
"ot:proposedForSynthesis": true,
"@Label": "Bayesian MCC",
"ot:branchLengthMode": "ot:changesCount",
"ot:branchLengthDescription": ""
}
]
},

Which is not in Myr