---
type: "Bill"
title: "State dinosaur: Augustynolophus morrisi."
description: "Existing law establishes the state flag and the state's emblems, including, among other things, the saber-toothed cat as the official state fossil."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20172018"
identifier: "AB 1540"
citation: "California AB 1540 (20172018)"
classification: ["bill"]
subjects: ["State dinosaur: Augustynolophus morrisi."]
status: "enacted"
primary_sponsors: ["Bloom"]
version_count: 4
action_count: 15
vote_count: 0
first_action: "2017-02-17"
last_action: "2017-09-23"
source: "openstates"
source_identifier: "ocd-bill/bac30e84-7b38-46b2-b5cd-632c8817c2df"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB1540"
source_hash: "f0833781d6c14bf5348f5c67cd55d1d340e6e965cf51672559dbd6da70b35064"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ca"]
---

# California AB 1540 (20172018) — State dinosaur: Augustynolophus morrisi.

Existing law establishes the state flag and the state's emblems, including, among other things, the saber-toothed cat as the official state fossil.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **02/17/17 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB1540&version=20170AB154099INT)
2. **09/23/17 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB1540&version=20170AB154097CHP)
3. **AB1540** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB1540)
4. **09/05/17 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB1540&version=20170AB154098ENR)

## Sponsors

- Bloom — primary (person)
- Caballero — coauthor (person)
- Jones-Sawyer — coauthor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2017-02-17** Read first time. To print. `reading-1`
- **2017-02-19** From printer. May be heard in committee March 21.
- **2017-03-16** Referred to Com. on G.O. `referral-committee`
- **2017-03-30** From committee: Do pass. (Ayes 19. Noes 0.) (March 29). `committee-passage-favorable, committee-passage`
- **2017-04-03** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-04-06** Read third time. Passed. Ordered to the Senate. (Ayes 57. Noes 0. Page 963.) `reading-3, passage, reading-1`
- **2017-04-17** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2017-06-21** Referred to Com. on G.O. `referral-committee`
- **2017-07-11** From committee: Do pass. (Ayes 13. Noes 0.) (July 11). `committee-passage-favorable, committee-passage`
- **2017-07-12** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-08-31** Read third time. Passed. Ordered to the Assembly. (Ayes 40. Noes 0. Page 2301.). `reading-3, passage, reading-1`
- **2017-08-31** In Assembly. Ordered to Engrossing and Enrolling. `committee-passage`
- **2017-09-07** Enrolled and presented to the Governor at 3 p.m.
- **2017-09-23** Approved by the Governor. `executive-signature`
- **2017-09-23** Chaptered by Secretary of State - Chapter 264, Statutes of 2017.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/bac30e84-7b38-46b2-b5cd-632c8817c2df`. Confidence: reported (aggregated from official California legislature records).